3955541399 has 2 divisors, whose sum is σ = 3955541400. Its totient is φ = 3955541398.

The previous prime is 3955541363. The next prime is 3955541413. The reversal of 3955541399 is 9931455593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3955541399 - 2¹⁶ = 3955475863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3955541399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3955541099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977770699 + 1977770700.

It is an arithmetic number, because the mean of its divisors is an integer number (1977770700).

Almost surely, 2^3955541399 is an apocalyptic number.

3955541399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3955541399 is an equidigital number, since it uses as much as digits as its factorization.

3955541399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3280500, while the sum is 53.

The square root of 3955541399 is about 62893.0950025518. The cubic root of 3955541399 is about 1581.4979916651.

The spelling of 3955541399 in words is "three billion, nine hundred fifty-five million, five hundred forty-one thousand, three hundred ninety-nine".