257093699426 has 8 divisors (see below), whose sum is σ = 388677089280. Its totient is φ = 127534669668.

The previous prime is 257093699383. The next prime is 257093699461. The reversal of 257093699426 is 624996390752.

257093699426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 506089706 + ... + 506090213.

It is an arithmetic number, because the mean of its divisors is an integer number (48584636160).

Almost surely, 2^257093699426 is an apocalyptic number.

257093699426 is a deficient number, since it is larger than the sum of its proper divisors (131583389854).

257093699426 is a wasteful number, since it uses less digits than its factorization.

257093699426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012180048.

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 257093699426 in words is "two hundred fifty-seven billion, ninety-three million, six hundred ninety-nine thousand, four hundred twenty-six".