6923689974 has 20 divisors (see below), whose sum is σ = 15514194564. Its totient is φ = 2307896604.

The previous prime is 6923689961. The next prime is 6923689979. The reversal of 6923689974 is 4799863296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6923689979) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21369252 + ... + 21369575.

Almost surely, 2^6923689974 is an apocalyptic number.

6923689974 is an abundant number, since it is smaller than the sum of its proper divisors (8590504590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6923689974 is a wasteful number, since it uses less digits than its factorization.

6923689974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42738841 (or 42738832 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The square root of 6923689974 is about 83208.7133297950. The cubic root of 6923689974 is about 1905.9545392987.

The spelling of 6923689974 in words is "six billion, nine hundred twenty-three million, six hundred eighty-nine thousand, nine hundred seventy-four".