3943035320401 has 12 divisors (see below), whose sum is σ = 4053936877788. Its totient is φ = 3835091437632.

The previous prime is 3943035320377. The next prime is 3943035320447. The reversal of 3943035320401 is 1040235303493.

It can be written as a sum of positive squares in 6 ways, for example, as 154153605376 + 3788881715025 = 392624^2 + 1946505^2 .

It is not a de Polignac number, because 3943035320401 - 2²⁹ = 3942498449489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3943035320461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3314215 + ... + 4343971.

It is an arithmetic number, because the mean of its divisors is an integer number (337828073149).

Almost surely, 2^{3943035320401} is an apocalyptic number.

It is an amenable number.

3943035320401 is a deficient number, since it is larger than the sum of its proper divisors (110901557387).

3943035320401 is a wasteful number, since it uses less digits than its factorization.

3943035320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032628 (or 1032591 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 3943035320401 in words is "three trillion, nine hundred forty-three billion, thirty-five million, three hundred twenty thousand, four hundred one".