767197410649 has 2 divisors, whose sum is σ = 767197410650. Its totient is φ = 767197410648.

The previous prime is 767197410571. The next prime is 767197410677. The reversal of 767197410649 is 946014791767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 748744090000 + 18453320649 = 865300^2 + 135843^2 .

It is a cyclic number.

It is not a de Polignac number, because 767197410649 - 2⁷ = 767197410521 is a prime.

It is not a weakly prime, because it can be changed into another prime (767197410689) 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, 383598705324 + 383598705325.

It is an arithmetic number, because the mean of its divisors is an integer number (383598705325).

Almost surely, 2^767197410649 is an apocalyptic number.

It is an amenable number.

767197410649 is a deficient number, since it is larger than the sum of its proper divisors (1).

767197410649 is an equidigital number, since it uses as much as digits as its factorization.

767197410649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 767197410649 in words is "seven hundred sixty-seven billion, one hundred ninety-seven million, four hundred ten thousand, six hundred forty-nine".