3129042692 has 6 divisors (see below), whose sum is σ = 5475824718. Its totient is φ = 1564521344.

The previous prime is 3129042611. The next prime is 3129042713. The reversal of 3129042692 is 2962409213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3128612356 + 430336 = 55934^2 + 656^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391130333 + ... + 391130340.

It is an arithmetic number, because the mean of its divisors is an integer number (912637453).

Almost surely, 2^3129042692 is an apocalyptic number.

It is an amenable number.

3129042692 is a deficient number, since it is larger than the sum of its proper divisors (2346782026).

3129042692 is a wasteful number, since it uses less digits than its factorization.

3129042692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782260677 (or 782260675 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 3129042692 is about 55937.8466871938. The cubic root of 3129042692 is about 1462.6390456058.

The spelling of 3129042692 in words is "three billion, one hundred twenty-nine million, forty-two thousand, six hundred ninety-two".