6944646654 has 36 divisors (see below), whose sum is σ = 16538977728. Its totient is φ = 2104437720.

The previous prime is 6944646641. The next prime is 6944646671. The reversal of 6944646654 is 4566464496.

6944646654 is a `hidden beast` number, since 6 + 94 + 46 + 466 + 54 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6944646654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1592094 + ... + 1596449.

It is an arithmetic number, because the mean of its divisors is an integer number (459416048).

Almost surely, 2^6944646654 is an apocalyptic number.

6944646654 is an abundant number, since it is smaller than the sum of its proper divisors (9594331074).

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

6944646654 is a wasteful number, since it uses less digits than its factorization.

6944646654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188573 (or 3188559 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 54.

The square root of 6944646654 is about 83334.5465818348. The cubic root of 6944646654 is about 1907.8755885151.

The spelling of 6944646654 in words is "six billion, nine hundred forty-four million, six hundred forty-six thousand, six hundred fifty-four".