3654645140364 has 12 divisors (see below), whose sum is σ = 8527505327544. Its totient is φ = 1218215046784.

The previous prime is 3654645140281. The next prime is 3654645140381. The reversal of 3654645140364 is 4630415464563.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3654645140364² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152276880837 + ... + 152276880860.

It is an arithmetic number, because the mean of its divisors is an integer number (710625443962).

Almost surely, 2^{3654645140364} is an apocalyptic number.

It is an amenable number.

3654645140364 is an abundant number, since it is smaller than the sum of its proper divisors (4872860187180).

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

3654645140364 is a wasteful number, since it uses less digits than its factorization.

3654645140364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304553761704 (or 304553761702 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 3654645140364 in words is "three trillion, six hundred fifty-four billion, six hundred forty-five million, one hundred forty thousand, three hundred sixty-four".