2535772792921 has 3 divisors (see below), whose sum is σ = 2535774385333. Its totient is φ = 2535771200510.

The previous prime is 2535772792919. The next prime is 2535772792937. The reversal of 2535772792921 is 1292972775352.

The square root of 2535772792921 is 1592411.

It is a perfect power (a square), and thus also a powerful number.

2535772792921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2535772792921 - 2¹ = 2535772792919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2535772792921.

It is not an unprimeable number, because it can be changed into a prime (2535772792961) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 796206 + ... + 2388616.

Almost surely, 2^{2535772792921} is an apocalyptic number.

2535772792921 is the 1592411-st square number.

2535772792921 is the 796206-th centered octagonal number.

It is an amenable number.

2535772792921 is a deficient number, since it is larger than the sum of its proper divisors (1592412).

2535772792921 is an frugal number, since it uses more digits than its factorization.

2535772792921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184822 (or 1592411 counting only the distinct ones).

The product of its digits is 33339600, while the sum is 61.

The spelling of 2535772792921 in words is "two trillion, five hundred thirty-five billion, seven hundred seventy-two million, seven hundred ninety-two thousand, nine hundred twenty-one".