6981492238 has 32 divisors (see below), whose sum is σ = 12726777024. Its totient is φ = 2803955712.

The previous prime is 6981492227. The next prime is 6981492263. The reversal of 6981492238 is 8322941896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7495 + ... + 118402.

It is an arithmetic number, because the mean of its divisors is an integer number (397711782).

Almost surely, 2^6981492238 is an apocalyptic number.

6981492238 is a deficient number, since it is larger than the sum of its proper divisors (5745284786).

6981492238 is a wasteful number, since it uses less digits than its factorization.

6981492238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126156.

The product of its digits is 1492992, while the sum is 52.

The square root of 6981492238 is about 83555.3244144262. The cubic root of 6981492238 is about 1911.2437864221.

The spelling of 6981492238 in words is "six billion, nine hundred eighty-one million, four hundred ninety-two thousand, two hundred thirty-eight".