6764844402 has 12 divisors (see below), whose sum is σ = 14657162910. Its totient is φ = 2254948128.

The previous prime is 6764844389. The next prime is 6764844461. The reversal of 6764844402 is 2044484676.

It can be written as a sum of positive squares in only one way, i.e., 3872448441 + 2892395961 = 62229^2 + 53781^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187912327 + ... + 187912362.

Almost surely, 2^6764844402 is an apocalyptic number.

6764844402 is an abundant number, since it is smaller than the sum of its proper divisors (7892318508).

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

6764844402 is a wasteful number, since it uses less digits than its factorization.

6764844402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375824697 (or 375824694 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The square root of 6764844402 is about 82248.6741656059. The cubic root of 6764844402 is about 1891.2659512187.

The spelling of 6764844402 in words is "six billion, seven hundred sixty-four million, eight hundred forty-four thousand, four hundred two".