1464672314257 has 8 divisors (see below), whose sum is σ = 1467216849384. Its totient is φ = 1462128031488.

The previous prime is 1464672314233. The next prime is 1464672314299. The reversal of 1464672314257 is 7524132764641.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 552798198016 + 911874116241 = 743504^2 + 954921^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1464672314257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1464672314857) 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, 14426323 + ... + 14527495.

It is an arithmetic number, because the mean of its divisors is an integer number (183402106173).

Almost surely, 2^{1464672314257} is an apocalyptic number.

It is an amenable number.

1464672314257 is a deficient number, since it is larger than the sum of its proper divisors (2544535127).

1464672314257 is a wasteful number, since it uses less digits than its factorization.

1464672314257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126179.

The product of its digits is 6773760, while the sum is 52.

The spelling of 1464672314257 in words is "one trillion, four hundred sixty-four billion, six hundred seventy-two million, three hundred fourteen thousand, two hundred fifty-seven".