28407313529 has 16 divisors (see below), whose sum is σ = 32672045952. Its totient is φ = 24194515968.

The previous prime is 28407313523. The next prime is 28407313541. The reversal of 28407313529 is 92531370482.

It is a happy number.

It is not a de Polignac number, because 28407313529 - 2²⁴ = 28390536313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28407313529.

It is not an unprimeable number, because it can be changed into a prime (28407313523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181027 + ... + 1204839.

It is an arithmetic number, because the mean of its divisors is an integer number (2042002872).

Almost surely, 2^28407313529 is an apocalyptic number.

It is an amenable number.

28407313529 is a deficient number, since it is larger than the sum of its proper divisors (4264732423).

28407313529 is a wasteful number, since it uses less digits than its factorization.

28407313529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24896.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 28407313529 in words is "twenty-eight billion, four hundred seven million, three hundred thirteen thousand, five hundred twenty-nine".