69113939 has 2 divisors, whose sum is σ = 69113940. Its totient is φ = 69113938.

The previous prime is 69113909. The next prime is 69113953. The reversal of 69113939 is 93931196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69113939 - 2²⁴ = 52336723 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 69113896 and 69113905.

It is not a weakly prime, because it can be changed into another prime (69113909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34556969 + 34556970.

It is an arithmetic number, because the mean of its divisors is an integer number (34556970).

Almost surely, 2^69113939 is an apocalyptic number.

69113939 is a deficient number, since it is larger than the sum of its proper divisors (1).

69113939 is an equidigital number, since it uses as much as digits as its factorization.

69113939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366, while the sum is 41.

The square root of 69113939 is about 8313.4793558413. The cubic root of 69113939 is about 410.3822312913.

The spelling of 69113939 in words is "sixty-nine million, one hundred thirteen thousand, nine hundred thirty-nine".