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419365913497 = 420781996637
BaseRepresentation
bin1100001101001000010…
…10000000001110011001
31111002110022221201002021
412012210022000032121
523332330133212442
6520353134534441
742204164310136
oct6064412001631
91432408851067
10419365913497
11151941141893
1269338967421
133071384435b
141642418b58d
15ad96b61e67
hex61a4280399

419365913497 has 4 divisors (see below), whose sum is σ = 419367330916. Its totient is φ = 419364496080.

The previous prime is 419365913467. The next prime is 419365913503. The reversal of 419365913497 is 794319563914.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 289469824576 + 129896088921 = 538024^2 + 360411^2 .

It is a cyclic number.

It is not a de Polignac number, because 419365913497 - 223 = 419357524889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (419365913437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77538 + ... + 919099.

It is an arithmetic number, because the mean of its divisors is an integer number (104841832729).

Almost surely, 2419365913497 is an apocalyptic number.

It is an amenable number.

419365913497 is a deficient number, since it is larger than the sum of its proper divisors (1417419).

419365913497 is an equidigital number, since it uses as much as digits as its factorization.

419365913497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417418.

The product of its digits is 22044960, while the sum is 61.

The spelling of 419365913497 in words is "four hundred nineteen billion, three hundred sixty-five million, nine hundred thirteen thousand, four hundred ninety-seven".

Divisors: 1 420781 996637 419365913497