69997499479967 has 2 divisors, whose sum is σ = 69997499479968. Its totient is φ = 69997499479966.

The previous prime is 69997499479933. The next prime is 69997499480023. The reversal of 69997499479967 is 76997499479996.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69997499479967 - 2⁶ = 69997499479903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69997499479907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34998749739983 + 34998749739984.

It is an arithmetic number, because the mean of its divisors is an integer number (34998749739984).

Almost surely, 2^{69997499479967} is an apocalyptic number.

69997499479967 is a deficient number, since it is larger than the sum of its proper divisors (1).

69997499479967 is an equidigital number, since it uses as much as digits as its factorization.

69997499479967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944961619392, while the sum is 104.

The spelling of 69997499479967 in words is "sixty-nine trillion, nine hundred ninety-seven billion, four hundred ninety-nine million, four hundred seventy-nine thousand, nine hundred sixty-seven".