3890975961599 has 4 divisors (see below), whose sum is σ = 3937855190136. Its totient is φ = 3844096733064.

The previous prime is 3890975961559. The next prime is 3890975961601. The reversal of 3890975961599 is 9951695790983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3890975961599 - 2¹² = 3890975957503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890975961559) 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, 23439614144 + ... + 23439614309.

It is an arithmetic number, because the mean of its divisors is an integer number (984463797534).

Almost surely, 2^{3890975961599} is an apocalyptic number.

3890975961599 is a deficient number, since it is larger than the sum of its proper divisors (46879228537).

3890975961599 is an equidigital number, since it uses as much as digits as its factorization.

3890975961599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46879228536.

The product of its (nonzero) digits is 1488034800, while the sum is 80.

The spelling of 3890975961599 in words is "three trillion, eight hundred ninety billion, nine hundred seventy-five million, nine hundred sixty-one thousand, five hundred ninety-nine".