12902538773 has 4 divisors (see below), whose sum is σ = 13661511660. Its totient is φ = 12143565888.

The previous prime is 12902538757. The next prime is 12902538833. The reversal of 12902538773 is 37783520921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6416330404 + 6486208369 = 80102^2 + 80537^2 .

It is a cyclic number.

It is not a de Polignac number, because 12902538773 - 2⁴ = 12902538757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12902538713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379486418 + ... + 379486451.

It is an arithmetic number, because the mean of its divisors is an integer number (3415377915).

Almost surely, 2^12902538773 is an apocalyptic number.

It is an amenable number.

12902538773 is a deficient number, since it is larger than the sum of its proper divisors (758972887).

12902538773 is an equidigital number, since it uses as much as digits as its factorization.

12902538773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758972886.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 12902538773 in words is "twelve billion, nine hundred two million, five hundred thirty-eight thousand, seven hundred seventy-three".