6614729964 has 36 divisors (see below), whose sum is σ = 16873977120. Its totient is φ = 2184680160.

The previous prime is 6614729963. The next prime is 6614729987. The reversal of 6614729964 is 4699274166.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6614729964.

It is not an unprimeable number, because it can be changed into a prime (6614729963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 838932 + ... + 846779.

Almost surely, 2^6614729964 is an apocalyptic number.

It is an amenable number.

6614729964 is an abundant number, since it is smaller than the sum of its proper divisors (10259247156).

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

6614729964 is a wasteful number, since it uses less digits than its factorization.

6614729964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685830 (or 1685825 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 6614729964 is about 81330.9901820948. The cubic root of 6614729964 is about 1877.1718798489.

It can be divided in two parts, 661 and 4729964, that added together give a square (4730625 = 2175²).

The spelling of 6614729964 in words is "six billion, six hundred fourteen million, seven hundred twenty-nine thousand, nine hundred sixty-four".