12902862549 has 16 divisors (see below), whose sum is σ = 17313220800. Its totient is φ = 8547280896.

The previous prime is 12902862547. The next prime is 12902862559. The reversal of 12902862549 is 94526820921.

It is not a de Polignac number, because 12902862549 - 2¹ = 12902862547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12902862498 and 12902862507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12902862541) 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 15 ways as a sum of consecutive naturals, for example, 748107 + ... + 765159.

It is an arithmetic number, because the mean of its divisors is an integer number (1082076300).

Almost surely, 2^12902862549 is an apocalyptic number.

It is an amenable number.

12902862549 is a deficient number, since it is larger than the sum of its proper divisors (4410358251).

12902862549 is a wasteful number, since it uses less digits than its factorization.

12902862549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18644.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 12902862549 in words is "twelve billion, nine hundred two million, eight hundred sixty-two thousand, five hundred forty-nine".