255450894698 has 4 divisors (see below), whose sum is σ = 383176342050. Its totient is φ = 127725447348.

The previous prime is 255450894623. The next prime is 255450894749. The reversal of 255450894698 is 896498054552.

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

It can be written as a sum of positive squares in only one way, i.e., 134258486569 + 121192408129 = 366413^2 + 348127^2 .

It is a super-2 number, since 2×255450894698² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63862723673 + ... + 63862723676.

Almost surely, 2^255450894698 is an apocalyptic number.

255450894698 is a deficient number, since it is larger than the sum of its proper divisors (127725447352).

255450894698 is a wasteful number, since it uses less digits than its factorization.

255450894698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127725447351.

The product of its (nonzero) digits is 124416000, while the sum is 65.

The spelling of 255450894698 in words is "two hundred fifty-five billion, four hundred fifty million, eight hundred ninety-four thousand, six hundred ninety-eight".