257061713462 has 4 divisors (see below), whose sum is σ = 385592570196. Its totient is φ = 128530856730.

The previous prime is 257061713459. The next prime is 257061713483. The reversal of 257061713462 is 264317160752.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64265428364 + ... + 64265428367.

It is an arithmetic number, because the mean of its divisors is an integer number (96398142549).

Almost surely, 2^257061713462 is an apocalyptic number.

257061713462 is a deficient number, since it is larger than the sum of its proper divisors (128530856734).

257061713462 is a wasteful number, since it uses less digits than its factorization.

257061713462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128530856733.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 257061713462 in words is "two hundred fifty-seven billion, sixty-one million, seven hundred thirteen thousand, four hundred sixty-two".