69488971 has 2 divisors, whose sum is σ = 69488972. Its totient is φ = 69488970.

The previous prime is 69488963. The next prime is 69488999. The reversal of 69488971 is 17988496.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69488971 - 2³ = 69488963 is a prime.

It is not a weakly prime, because it can be changed into another prime (69488921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34744485 + 34744486.

It is an arithmetic number, because the mean of its divisors is an integer number (34744486).

Almost surely, 2^69488971 is an apocalyptic number.

69488971 is a deficient number, since it is larger than the sum of its proper divisors (1).

69488971 is an equidigital number, since it uses as much as digits as its factorization.

69488971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 52.

The square root of 69488971 is about 8336.0044985592. The cubic root of 69488971 is about 411.1231764957.

The spelling of 69488971 in words is "sixty-nine million, four hundred eighty-eight thousand, nine hundred seventy-one".