69420959 has 2 divisors, whose sum is σ = 69420960. Its totient is φ = 69420958.

The previous prime is 69420931. The next prime is 69420973. The reversal of 69420959 is 95902496.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69420959 - 2²⁰ = 68372383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69420859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34710479 + 34710480.

It is an arithmetic number, because the mean of its divisors is an integer number (34710480).

Almost surely, 2^69420959 is an apocalyptic number.

69420959 is a deficient number, since it is larger than the sum of its proper divisors (1).

69420959 is an equidigital number, since it uses as much as digits as its factorization.

69420959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 69420959 is about 8331.9240875082. The cubic root of 69420959 is about 410.9890044280.

The spelling of 69420959 in words is "sixty-nine million, four hundred twenty thousand, nine hundred fifty-nine".