80630964769 has 2 divisors, whose sum is σ = 80630964770. Its totient is φ = 80630964768.

The previous prime is 80630964763. The next prime is 80630964773. The reversal of 80630964769 is 96746903608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58328529169 + 22302435600 = 241513^2 + 149340^2 .

It is a cyclic number.

It is not a de Polignac number, because 80630964769 - 2¹⁷ = 80630833697 is a prime.

It is a super-2 number, since 2×80630964769² (a number of 23 digits) contains 22 as substring.

It is a partition number, being equal to the number of ways a set of 157 identical objects can be partitioned into subset.

It is not a weakly prime, because it can be changed into another prime (80630964763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40315482384 + 40315482385.

It is an arithmetic number, because the mean of its divisors is an integer number (40315482385).

Almost surely, 2^80630964769 is an apocalyptic number.

It is an amenable number.

80630964769 is a deficient number, since it is larger than the sum of its proper divisors (1).

80630964769 is an equidigital number, since it uses as much as digits as its factorization.

80630964769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 80630964769 in words is "eighty billion, six hundred thirty million, nine hundred sixty-four thousand, seven hundred sixty-nine".