3658939670000 has 100 divisors (see below), whose sum is σ = 8860624598760. Its totient is φ = 1463251104000.

The previous prime is 3658939669969. The next prime is 3658939670027. The reversal of 3658939670000 is 769398563.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47851799 + ... + 47928201.

Almost surely, 2^{3658939670000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3658939670000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4430312299380).

3658939670000 is an abundant number, since it is smaller than the sum of its proper divisors (5201684928760).

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

3658939670000 is an equidigital number, since it uses as much as digits as its factorization.

3658939670000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81220 (or 81199 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 3658939670000 in words is "three trillion, six hundred fifty-eight billion, nine hundred thirty-nine million, six hundred seventy thousand".