469905745457 has 4 divisors (see below), whose sum is σ = 469910626416. Its totient is φ = 469900864500.

The previous prime is 469905745297. The next prime is 469905745459. The reversal of 469905745457 is 754547509964.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469905745457 is a prime.

It is a super-2 number, since 2×469905745457² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 469905745393 and 469905745402.

It is not an unprimeable number, because it can be changed into a prime (469905745459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293103 + ... + 2489604.

It is an arithmetic number, because the mean of its divisors is an integer number (117477656604).

Almost surely, 2^469905745457 is an apocalyptic number.

It is an amenable number.

469905745457 is a deficient number, since it is larger than the sum of its proper divisors (4880959).

469905745457 is an equidigital number, since it uses as much as digits as its factorization.

469905745457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880958.

The product of its (nonzero) digits is 190512000, while the sum is 65.

The spelling of 469905745457 in words is "four hundred sixty-nine billion, nine hundred five million, seven hundred forty-five thousand, four hundred fifty-seven".