3996790569991 has 4 divisors (see below), whose sum is σ = 3997263739392. Its totient is φ = 3996317400592.

The previous prime is 3996790569977. The next prime is 3996790570039. The reversal of 3996790569991 is 1999650976993.

3996790569991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3996790569991 - 2³³ = 3988200635399 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 (3996790569901) 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, 236572030 + ... + 236588923.

It is an arithmetic number, because the mean of its divisors is an integer number (999315934848).

Almost surely, 2^{3996790569991} is an apocalyptic number.

3996790569991 is a deficient number, since it is larger than the sum of its proper divisors (473169401).

3996790569991 is an equidigital number, since it uses as much as digits as its factorization.

3996790569991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473169400.

The product of its (nonzero) digits is 2008846980, while the sum is 82.

The spelling of 3996790569991 in words is "three trillion, nine hundred ninety-six billion, seven hundred ninety million, five hundred sixty-nine thousand, nine hundred ninety-one".