3940995956933 has 20 divisors (see below), whose sum is σ = 4608029073120. Its totient is φ = 3370300880184.

The previous prime is 3940995956899. The next prime is 3940995956971. The reversal of 3940995956933 is 3396595990493.

It is not a de Polignac number, because 3940995956933 - 2²² = 3940991762629 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 (3940995956983) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 815435 + ... + 2923512.

It is an arithmetic number, because the mean of its divisors is an integer number (230401453656).

Almost surely, 2^{3940995956933} is an apocalyptic number.

It is an amenable number.

3940995956933 is a deficient number, since it is larger than the sum of its proper divisors (667033116187).

3940995956933 is an frugal number, since it uses more digits than its factorization.

3940995956933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739414 (or 3739393 counting only the distinct ones).

The product of its (nonzero) digits is 956593800, while the sum is 74.

The spelling of 3940995956933 in words is "three trillion, nine hundred forty billion, nine hundred ninety-five million, nine hundred fifty-six thousand, nine hundred thirty-three".