6945331401983 has 64 divisors (see below), whose sum is σ = 8348721518592. Its totient is φ = 5712424058880.

The previous prime is 6945331401971. The next prime is 6945331402063. The reversal of 6945331401983 is 3891041335496.

It is not a de Polignac number, because 6945331401983 - 2²⁰ = 6945330353407 is a prime.

It is a super-2 number, since 2×6945331401983² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945331401083) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1759646216 + ... + 1759650162.

It is an arithmetic number, because the mean of its divisors is an integer number (130448773728).

Almost surely, 2^{6945331401983} is an apocalyptic number.

6945331401983 is a deficient number, since it is larger than the sum of its proper divisors (1403390116609).

6945331401983 is a wasteful number, since it uses less digits than its factorization.

6945331401983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7464.

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 6945331401983 in words is "six trillion, nine hundred forty-five billion, three hundred thirty-one million, four hundred one thousand, nine hundred eighty-three".