69950065477 has 2 divisors, whose sum is σ = 69950065478. Its totient is φ = 69950065476.

The previous prime is 69950065453. The next prime is 69950065481. The reversal of 69950065477 is 77456005996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66660010596 + 3290054881 = 258186^2 + 57359^2 .

It is a cyclic number.

It is not a de Polignac number, because 69950065477 - 2⁷ = 69950065349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69950065777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34975032738 + 34975032739.

It is an arithmetic number, because the mean of its divisors is an integer number (34975032739).

Almost surely, 2^69950065477 is an apocalyptic number.

It is an amenable number.

69950065477 is a deficient number, since it is larger than the sum of its proper divisors (1).

69950065477 is an equidigital number, since it uses as much as digits as its factorization.

69950065477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14288400, while the sum is 58.

The spelling of 69950065477 in words is "sixty-nine billion, nine hundred fifty million, sixty-five thousand, four hundred seventy-seven".