257425601098 has 16 divisors (see below), whose sum is σ = 396814182336. Its totient is φ = 125179901280.

The previous prime is 257425601047. The next prime is 257425601137. The reversal of 257425601098 is 890106524752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6403398 + ... + 6443473.

It is an arithmetic number, because the mean of its divisors is an integer number (24800886396).

Almost surely, 2^257425601098 is an apocalyptic number.

257425601098 is a deficient number, since it is larger than the sum of its proper divisors (139388581238).

257425601098 is a wasteful number, since it uses less digits than its factorization.

257425601098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12847149.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 257425601098 in words is "two hundred fifty-seven billion, four hundred twenty-five million, six hundred one thousand, ninety-eight".