39447046315 has 24 divisors (see below), whose sum is σ = 49397587344. Its totient is φ = 30236904000.

The previous prime is 39447046283. The next prime is 39447046343. The reversal of 39447046315 is 51364074493.

39447046315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39447046315 - 2⁵ = 39447046283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 444664 + ... + 525946.

It is an arithmetic number, because the mean of its divisors is an integer number (2058232806).

Almost surely, 2^39447046315 is an apocalyptic number.

39447046315 is a deficient number, since it is larger than the sum of its proper divisors (9950541029).

39447046315 is a wasteful number, since it uses less digits than its factorization.

39447046315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81451 (or 81420 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 39447046315 in words is "thirty-nine billion, four hundred forty-seven million, forty-six thousand, three hundred fifteen".