12794857464 has 32 divisors (see below), whose sum is σ = 31990205520. Its totient is φ = 4264544256.

The previous prime is 12794857463. The next prime is 12794857477. The reversal of 12794857464 is 46475849721.

It is a super-2 number, since 2×12794857464² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12794857463) 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, 333582 + ... + 369954.

Almost surely, 2^12794857464 is an apocalyptic number.

It is an amenable number.

12794857464 is an abundant number, since it is smaller than the sum of its proper divisors (19195348056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12794857464 is a wasteful number, since it uses less digits than its factorization.

12794857464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51039 (or 51035 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 12794857464 in words is "twelve billion, seven hundred ninety-four million, eight hundred fifty-seven thousand, four hundred sixty-four".