6940144696 has 16 divisors (see below), whose sum is σ = 13024960200. Its totient is φ = 3466821984.

The previous prime is 6940144693. The next prime is 6940144697. The reversal of 6940144696 is 6964410496.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940144693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397210 + ... + 414313.

Almost surely, 2^6940144696 is an apocalyptic number.

It is an amenable number.

6940144696 is a deficient number, since it is larger than the sum of its proper divisors (6084815504).

6940144696 is a wasteful number, since it uses less digits than its factorization.

6940144696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812598 (or 812594 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 6940144696 is about 83307.5308480572. The cubic root of 6940144696 is about 1907.4632309645.

The spelling of 6940144696 in words is "six billion, nine hundred forty million, one hundred forty-four thousand, six hundred ninety-six".