63039966929 has 8 divisors (see below), whose sum is σ = 64912133832. Its totient is φ = 61183733760.

The previous prime is 63039966919. The next prime is 63039966937. The reversal of 63039966929 is 92966993036.

It can be written as a sum of positive squares in 4 ways, for example, as 1297656529 + 61742310400 = 36023^2 + 248480^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63039966929 - 2³² = 58744999633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63039966919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3975404 + ... + 3991229.

It is an arithmetic number, because the mean of its divisors is an integer number (8114016729).

Almost surely, 2^63039966929 is an apocalyptic number.

It is an amenable number.

63039966929 is a deficient number, since it is larger than the sum of its proper divisors (1872166903).

63039966929 is a wasteful number, since it uses less digits than its factorization.

63039966929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966867.

The product of its (nonzero) digits is 25509168, while the sum is 62.

The spelling of 63039966929 in words is "sixty-three billion, thirty-nine million, nine hundred sixty-six thousand, nine hundred twenty-nine".