5365942121 has 2 divisors, whose sum is σ = 5365942122. Its totient is φ = 5365942120.

The previous prime is 5365942111. The next prime is 5365942147. The reversal of 5365942121 is 1212495635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5017597225 + 348344896 = 70835^2 + 18664^2 .

It is a cyclic number.

It is not a de Polignac number, because 5365942121 - 2²⁶ = 5298833257 is a prime.

It is not a weakly prime, because it can be changed into another prime (5365942111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2682971060 + 2682971061.

It is an arithmetic number, because the mean of its divisors is an integer number (2682971061).

Almost surely, 2^5365942121 is an apocalyptic number.

It is an amenable number.

5365942121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5365942121 is an equidigital number, since it uses as much as digits as its factorization.

5365942121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 5365942121 is about 73252.5912237922. The cubic root of 5365942121 is about 1750.7144969229.

The spelling of 5365942121 in words is "five billion, three hundred sixty-five million, nine hundred forty-two thousand, one hundred twenty-one".