419954948593 has 4 divisors (see below), whose sum is σ = 420144718068. Its totient is φ = 419765179120.

The previous prime is 419954948587. The next prime is 419954948599. The reversal of 419954948593 is 395849459914.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (419954948587) and next prime (419954948599).

It can be written as a sum of positive squares in 2 ways, for example, as 403443469584 + 16511479009 = 635172^2 + 128497^2 .

It is a cyclic number.

It is not a de Polignac number, because 419954948593 - 2⁹ = 419954948081 is a prime.

It is a super-4 number, since 4×419954948593⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (419954948599) 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, 94881418 + ... + 94885843.

It is an arithmetic number, because the mean of its divisors is an integer number (105036179517).

Almost surely, 2^419954948593 is an apocalyptic number.

It is an amenable number.

419954948593 is a deficient number, since it is larger than the sum of its proper divisors (189769475).

419954948593 is a wasteful number, since it uses less digits than its factorization.

419954948593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189769474.

The product of its digits is 251942400, while the sum is 70.

The spelling of 419954948593 in words is "four hundred nineteen billion, nine hundred fifty-four million, nine hundred forty-eight thousand, five hundred ninety-three".