15344961812 has 6 divisors (see below), whose sum is σ = 26853683178. Its totient is φ = 7672480904.

The previous prime is 15344961809. The next prime is 15344961847. The reversal of 15344961812 is 21816944351.

It can be written as a sum of positive squares in only one way, i.e., 13996309636 + 1348652176 = 118306^2 + 36724^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1918120223 + ... + 1918120230.

It is an arithmetic number, because the mean of its divisors is an integer number (4475613863).

Almost surely, 2^15344961812 is an apocalyptic number.

It is an amenable number.

15344961812 is a deficient number, since it is larger than the sum of its proper divisors (11508721366).

15344961812 is a wasteful number, since it uses less digits than its factorization.

15344961812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836240457 (or 3836240455 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The spelling of 15344961812 in words is "fifteen billion, three hundred forty-four million, nine hundred sixty-one thousand, eight hundred twelve".