3939452291323 has 4 divisors (see below), whose sum is σ = 3948809660608. Its totient is φ = 3930094922040.

The previous prime is 3939452291317. The next prime is 3939452291371. The reversal of 3939452291323 is 3231922549393.

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 3939452291323 - 2¹⁷ = 3939452160251 is a prime.

It is a super-2 number, since 2×3939452291323² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3939452291623) 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, 4678684011 + ... + 4678684852.

It is an arithmetic number, because the mean of its divisors is an integer number (987202415152).

Almost surely, 2^{3939452291323} is an apocalyptic number.

3939452291323 is a deficient number, since it is larger than the sum of its proper divisors (9357369285).

3939452291323 is an equidigital number, since it uses as much as digits as its factorization.

3939452291323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357369284.

The product of its digits is 9447840, while the sum is 55.

The spelling of 3939452291323 in words is "three trillion, nine hundred thirty-nine billion, four hundred fifty-two million, two hundred ninety-one thousand, three hundred twenty-three".