10387436647 has 12 divisors (see below), whose sum is σ = 12409923720. Its totient is φ = 8662880016.

The previous prime is 10387436641. The next prime is 10387436651. The reversal of 10387436647 is 74663478301.

It is not a de Polignac number, because 10387436647 - 2⁷ = 10387436519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 10387436647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10387436641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2862897 + ... + 2866522.

It is an arithmetic number, because the mean of its divisors is an integer number (1034160310).

Almost surely, 2^10387436647 is an apocalyptic number.

10387436647 is a deficient number, since it is larger than the sum of its proper divisors (2022487073).

10387436647 is an equidigital number, since it uses as much as digits as its factorization.

10387436647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729470 (or 5729463 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 10387436647 in words is "ten billion, three hundred eighty-seven million, four hundred thirty-six thousand, six hundred forty-seven".