39447046313 has 16 divisors (see below), whose sum is σ = 42078949200. Its totient is φ = 36850630656.

The previous prime is 39447046283. The next prime is 39447046343. The reversal of 39447046313 is 31364074493.

It is an interprime number because it is at equal distance from previous prime (39447046283) and next prime (39447046343).

It can be written as a sum of positive squares in 8 ways, for example, as 649077529 + 38797968784 = 25477^2 + 196972^2 .

It is a cyclic number.

It is not a de Polignac number, because 39447046313 - 2²⁶ = 39379937449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39447046343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1459781 + ... + 1486557.

It is an arithmetic number, because the mean of its divisors is an integer number (2629934325).

Almost surely, 2^39447046313 is an apocalyptic number.

It is an amenable number.

39447046313 is a deficient number, since it is larger than the sum of its proper divisors (2631902887).

39447046313 is a wasteful number, since it uses less digits than its factorization.

39447046313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27436.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 39447046313 in words is "thirty-nine billion, four hundred forty-seven million, forty-six thousand, three hundred thirteen".