437708986713 has 12 divisors (see below), whose sum is σ = 635455688868. Its totient is φ = 290324741280.

The previous prime is 437708986697. The next prime is 437708986727. The reversal of 437708986713 is 317689807734.

It can be written as a sum of positive squares in 2 ways, for example, as 378782395209 + 58926591504 = 615453^2 + 242748^2 .

It is not a de Polignac number, because 437708986713 - 2⁴ = 437708986697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (437708986763) 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, 123435618 + ... + 123439163.

It is an arithmetic number, because the mean of its divisors is an integer number (52954640739).

Almost surely, 2^437708986713 is an apocalyptic number.

It is an amenable number.

437708986713 is a deficient number, since it is larger than the sum of its proper divisors (197746702155).

437708986713 is a wasteful number, since it uses less digits than its factorization.

437708986713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246874984 (or 246874981 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 437708986713 in words is "four hundred thirty-seven billion, seven hundred eight million, nine hundred eighty-six thousand, seven hundred thirteen".