1257046631462 has 4 divisors (see below), whose sum is σ = 1885569947196. Its totient is φ = 628523315730.

The previous prime is 1257046631411. The next prime is 1257046631473. The reversal of 1257046631462 is 2641366407521.

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

It is a super-2 number, since 2×1257046631462² (a number of 25 digits) contains 22 as substring.

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, 314261657864 + ... + 314261657867.

It is an arithmetic number, because the mean of its divisors is an integer number (471392486799).

Almost surely, 2^{1257046631462} is an apocalyptic number.

1257046631462 is a deficient number, since it is larger than the sum of its proper divisors (628523315734).

1257046631462 is an equidigital number, since it uses as much as digits as its factorization.

1257046631462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628523315733.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 1257046631462 in words is "one trillion, two hundred fifty-seven billion, forty-six million, six hundred thirty-one thousand, four hundred sixty-two".