1464872673257 has 16 divisors (see below), whose sum is σ = 1687011059712. Its totient is φ = 1245953039760.

The previous prime is 1464872673241. The next prime is 1464872673283. The reversal of 1464872673257 is 7523762784641.

It is a cyclic number.

It is not a de Polignac number, because 1464872673257 - 2⁴ = 1464872673241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1464872673257.

It is not an unprimeable number, because it can be changed into a prime (1464872673857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24603638 + ... + 24663104.

It is an arithmetic number, because the mean of its divisors is an integer number (105438191232).

Almost surely, 2^{1464872673257} is an apocalyptic number.

It is an amenable number.

1464872673257 is a deficient number, since it is larger than the sum of its proper divisors (222138386455).

1464872673257 is a wasteful number, since it uses less digits than its factorization.

1464872673257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86468.

The product of its digits is 94832640, while the sum is 62.

The spelling of 1464872673257 in words is "one trillion, four hundred sixty-four billion, eight hundred seventy-two million, six hundred seventy-three thousand, two hundred fifty-seven".