3649977445508 has 12 divisors (see below), whose sum is σ = 6492172997772. Its totient is φ = 1795070874720.

The previous prime is 3649977445507. The next prime is 3649977445511. The reversal of 3649977445508 is 8055447799463.

It can be written as a sum of positive squares in 2 ways, for example, as 1661629277764 + 1988348167744 = 1289042^2 + 1410088^2 .

It is a hoax number, since the sum of its digits (71) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3649977445507) 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, 7479461735 + ... + 7479462222.

It is an arithmetic number, because the mean of its divisors is an integer number (541014416481).

Almost surely, 2^{3649977445508} is an apocalyptic number.

It is an amenable number.

3649977445508 is a deficient number, since it is larger than the sum of its proper divisors (2842195552264).

3649977445508 is a wasteful number, since it uses less digits than its factorization.

3649977445508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14958924022 (or 14958924020 counting only the distinct ones).

The product of its (nonzero) digits is 914457600, while the sum is 71.

The spelling of 3649977445508 in words is "three trillion, six hundred forty-nine billion, nine hundred seventy-seven million, four hundred forty-five thousand, five hundred eight".