69676981973 has 2 divisors, whose sum is σ = 69676981974. Its totient is φ = 69676981972.

The previous prime is 69676981967. The next prime is 69676982021. The reversal of 69676981973 is 37918967696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68781356644 + 895625329 = 262262^2 + 29927^2 .

It is a cyclic number.

It is not a de Polignac number, because 69676981973 - 2⁶ = 69676981909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69676981897 and 69676981906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69676981943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34838490986 + 34838490987.

It is an arithmetic number, because the mean of its divisors is an integer number (34838490987).

Almost surely, 2^69676981973 is an apocalyptic number.

It is an amenable number.

69676981973 is a deficient number, since it is larger than the sum of its proper divisors (1).

69676981973 is an equidigital number, since it uses as much as digits as its factorization.

69676981973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 185177664, while the sum is 71.

The spelling of 69676981973 in words is "sixty-nine billion, six hundred seventy-six million, nine hundred eighty-one thousand, nine hundred seventy-three".