3994710400511 has 4 divisors (see below), whose sum is σ = 3998955577224. Its totient is φ = 3990465223800.

The previous prime is 3994710400501. The next prime is 3994710400517. The reversal of 3994710400511 is 1150040174993.

It is a happy number.

3994710400511 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 3994710400511 - 2³⁸ = 3719832493567 is a prime.

It is a super-2 number, since 2×3994710400511² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994710400517) 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, 2122586945 + ... + 2122588826.

It is an arithmetic number, because the mean of its divisors is an integer number (999738894306).

Almost surely, 2^{3994710400511} is an apocalyptic number.

3994710400511 is a deficient number, since it is larger than the sum of its proper divisors (4245176713).

3994710400511 is an equidigital number, since it uses as much as digits as its factorization.

3994710400511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245176712.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 3994710400511 in words is "three trillion, nine hundred ninety-four billion, seven hundred ten million, four hundred thousand, five hundred eleven".