257693869034 has 8 divisors (see below), whose sum is σ = 441760918368. Its totient is φ = 110440229580.

The previous prime is 257693868979. The next prime is 257693869099. The reversal of 257693869034 is 430968396752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×257693869034² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9203352452 + ... + 9203352479.

It is an arithmetic number, because the mean of its divisors is an integer number (55220114796).

Almost surely, 2^257693869034 is an apocalyptic number.

257693869034 is a deficient number, since it is larger than the sum of its proper divisors (184067049334).

257693869034 is a wasteful number, since it uses less digits than its factorization.

257693869034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18406704940.

The product of its (nonzero) digits is 58786560, while the sum is 62.

The spelling of 257693869034 in words is "two hundred fifty-seven billion, six hundred ninety-three million, eight hundred sixty-nine thousand, thirty-four".