13052192921 has 2 divisors, whose sum is σ = 13052192922. Its totient is φ = 13052192920.

The previous prime is 13052192887. The next prime is 13052192977. The reversal of 13052192921 is 12929125031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7406323600 + 5645869321 = 86060^2 + 75139^2 .

It is a cyclic number.

It is not a de Polignac number, because 13052192921 - 2¹⁸ = 13051930777 is a prime.

It is not a weakly prime, because it can be changed into another prime (13052194921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6526096460 + 6526096461.

It is an arithmetic number, because the mean of its divisors is an integer number (6526096461).

Almost surely, 2^13052192921 is an apocalyptic number.

It is an amenable number.

13052192921 is a deficient number, since it is larger than the sum of its proper divisors (1).

13052192921 is an equidigital number, since it uses as much as digits as its factorization.

13052192921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 13052192921 in words is "thirteen billion, fifty-two million, one hundred ninety-two thousand, nine hundred twenty-one".