76698244289669 has 2 divisors, whose sum is σ = 76698244289670. Its totient is φ = 76698244289668.

The previous prime is 76698244289627. The next prime is 76698244289699. The reversal of 76698244289669 is 96698244289667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76622886902500 + 75357387169 = 8753450^2 + 274513^2 .

It is a cyclic number.

It is not a de Polignac number, because 76698244289669 - 2¹² = 76698244285573 is a prime.

It is a super-2 number, since 2×76698244289669² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76698244289699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38349122144834 + 38349122144835.

It is an arithmetic number, because the mean of its divisors is an integer number (38349122144835).

Almost surely, 2^{76698244289669} is an apocalyptic number.

It is an amenable number.

76698244289669 is a deficient number, since it is larger than the sum of its proper divisors (1).

76698244289669 is an equidigital number, since it uses as much as digits as its factorization.

76698244289669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27088846848, while the sum is 86.

The spelling of 76698244289669 in words is "seventy-six trillion, six hundred ninety-eight billion, two hundred forty-four million, two hundred eighty-nine thousand, six hundred sixty-nine".