2978631692 has 12 divisors (see below), whose sum is σ = 5214289080. Its totient is φ = 1488834816.

The previous prime is 2978631679. The next prime is 2978631701. The reversal of 2978631692 is 2961368792.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106142 + ... + 131237.

It is an arithmetic number, because the mean of its divisors is an integer number (434524090).

Almost surely, 2^2978631692 is an apocalyptic number.

It is an amenable number.

2978631692 is a deficient number, since it is larger than the sum of its proper divisors (2235657388).

2978631692 is a wasteful number, since it uses less digits than its factorization.

2978631692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240520 (or 240518 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 2978631692 is about 54576.8420852654. The cubic root of 2978631692 is about 1438.8171375496.

The spelling of 2978631692 in words is "two billion, nine hundred seventy-eight million, six hundred thirty-one thousand, six hundred ninety-two".