1352992859721 has 12 divisors (see below), whose sum is σ = 1973297030848. Its totient is φ = 893238003864.

The previous prime is 1352992859657. The next prime is 1352992859737. The reversal of 1352992859721 is 1279582992531.

1352992859721 is a `hidden beast` number, since 1 + 3 + 529 + 9 + 2 + 85 + 9 + 7 + 21 = 666.

It is not a de Polignac number, because 1352992859721 - 2⁶ = 1352992859657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352992859741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729768685 + ... + 729770538.

Almost surely, 2^{1352992859721} is an apocalyptic number.

It is an amenable number.

1352992859721 is a deficient number, since it is larger than the sum of its proper divisors (620304171127).

1352992859721 is a wasteful number, since it uses less digits than its factorization.

1352992859721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459539332 (or 1459539329 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 63.

The spelling of 1352992859721 in words is "one trillion, three hundred fifty-two billion, nine hundred ninety-two million, eight hundred fifty-nine thousand, seven hundred twenty-one".