39984654048964 has 27 divisors (see below), whose sum is σ = 70076674568173. Its totient is φ = 19962790694000.

The previous prime is 39984654048923. The next prime is 39984654048991. The reversal of 39984654048964 is 46984045648993.

The square root of 39984654048964 is 6323342.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10917460088964 + 29067193960000 = 3304158^2 + 5391400^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10382925639 + ... + 10382929489.

Almost surely, 2^{39984654048964} is an apocalyptic number.

39984654048964 is the 6323342-nd square number.

It is an amenable number.

39984654048964 is a deficient number, since it is larger than the sum of its proper divisors (30092020519209).

39984654048964 is an frugal number, since it uses more digits than its factorization.

39984654048964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9348 (or 4674 counting only the distinct ones).

The product of its (nonzero) digits is 6449725440, while the sum is 79.

The spelling of 39984654048964 in words is "thirty-nine trillion, nine hundred eighty-four billion, six hundred fifty-four million, forty-eight thousand, nine hundred sixty-four".