3251557257463 has 8 divisors (see below), whose sum is σ = 3306715372800. Its totient is φ = 3196400708088.

The previous prime is 3251557257451. The next prime is 3251557257491. The reversal of 3251557257463 is 3647527551523.

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

It is a cyclic number.

It is not a de Polignac number, because 3251557257463 - 2²⁵ = 3251523703031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3251557267463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4261618 + ... + 4966336.

It is an arithmetic number, because the mean of its divisors is an integer number (413339421600).

Almost surely, 2^{3251557257463} is an apocalyptic number.

3251557257463 is a deficient number, since it is larger than the sum of its proper divisors (55158115337).

3251557257463 is an equidigital number, since it uses as much as digits as its factorization.

3251557257463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782981.

The product of its digits is 26460000, while the sum is 55.

The spelling of 3251557257463 in words is "three trillion, two hundred fifty-one billion, five hundred fifty-seven million, two hundred fifty-seven thousand, four hundred sixty-three".