1329625766964 has 24 divisors (see below), whose sum is σ = 3384501952608. Its totient is φ = 402916899040.

The previous prime is 1329625766929. The next prime is 1329625766971. The reversal of 1329625766964 is 4696675269231.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 1329625766895 and 1329625766904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5036461107 + ... + 5036461370.

It is an arithmetic number, because the mean of its divisors is an integer number (141020914692).

Almost surely, 2^{1329625766964} is an apocalyptic number.

It is an amenable number.

1329625766964 is an abundant number, since it is smaller than the sum of its proper divisors (2054876185644).

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

1329625766964 is a wasteful number, since it uses less digits than its factorization.

1329625766964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10072922495 (or 10072922493 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 66.

The spelling of 1329625766964 in words is "one trillion, three hundred twenty-nine billion, six hundred twenty-five million, seven hundred sixty-six thousand, nine hundred sixty-four".