69700899979 has 2 divisors, whose sum is σ = 69700899980. Its totient is φ = 69700899978.

The previous prime is 69700899911. The next prime is 69700900043. The reversal of 69700899979 is 97999800796.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69700899979 - 2¹³ = 69700891787 is a prime.

It is not a weakly prime, because it can be changed into another prime (69700899179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34850449989 + 34850449990.

It is an arithmetic number, because the mean of its divisors is an integer number (34850449990).

Almost surely, 2^69700899979 is an apocalyptic number.

69700899979 is a deficient number, since it is larger than the sum of its proper divisors (1).

69700899979 is an equidigital number, since it uses as much as digits as its factorization.

69700899979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138883248, while the sum is 73.

The spelling of 69700899979 in words is "sixty-nine billion, seven hundred million, eight hundred ninety-nine thousand, nine hundred seventy-nine".