69053939 has 2 divisors, whose sum is σ = 69053940. Its totient is φ = 69053938.

The previous prime is 69053917. The next prime is 69053969. The reversal of 69053939 is 93935096.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69053939 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69053939.

It is not a weakly prime, because it can be changed into another prime (69053909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34526969 + 34526970.

It is an arithmetic number, because the mean of its divisors is an integer number (34526970).

Almost surely, 2^69053939 is an apocalyptic number.

69053939 is a deficient number, since it is larger than the sum of its proper divisors (1).

69053939 is an equidigital number, since it uses as much as digits as its factorization.

69053939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 44.

The square root of 69053939 is about 8309.8699749154. The cubic root of 69053939 is about 410.2634416377.

The spelling of 69053939 in words is "sixty-nine million, fifty-three thousand, nine hundred thirty-nine".