69549040499 has 2 divisors, whose sum is σ = 69549040500. Its totient is φ = 69549040498.

The previous prime is 69549040487. The next prime is 69549040513. The reversal of 69549040499 is 99404094596.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69549040499 is a prime.

It is not a weakly prime, because it can be changed into another prime (69549040439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34774520249 + 34774520250.

It is an arithmetic number, because the mean of its divisors is an integer number (34774520250).

Almost surely, 2^69549040499 is an apocalyptic number.

69549040499 is a deficient number, since it is larger than the sum of its proper divisors (1).

69549040499 is an equidigital number, since it uses as much as digits as its factorization.

69549040499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 69549040499 in words is "sixty-nine billion, five hundred forty-nine million, forty thousand, four hundred ninety-nine".