3129733064 has 16 divisors (see below), whose sum is σ = 5869403100. Its totient is φ = 1564558912.

The previous prime is 3129733021. The next prime is 3129733081. The reversal of 3129733064 is 4603379213.

It can be written as a sum of positive squares in 2 ways, for example, as 3119222500 + 10510564 = 55850^2 + 3242^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8102 + ... + 79530.

Almost surely, 2^3129733064 is an apocalyptic number.

It is an amenable number.

3129733064 is a deficient number, since it is larger than the sum of its proper divisors (2739670036).

3129733064 is a wasteful number, since it uses less digits than its factorization.

3129733064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76912 (or 76908 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 3129733064 is about 55944.0172315146. The cubic root of 3129733064 is about 1462.7466068089.

The spelling of 3129733064 in words is "three billion, one hundred twenty-nine million, seven hundred thirty-three thousand, sixty-four".