773247136841 has 2 divisors, whose sum is σ = 773247136842. Its totient is φ = 773247136840.

The previous prime is 773247136829. The next prime is 773247136861. The reversal of 773247136841 is 148631742377.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506367444025 + 266879692816 = 711595^2 + 516604^2 .

It is a cyclic number.

It is not a de Polignac number, because 773247136841 - 2⁶ = 773247136777 is a prime.

It is a super-2 number, since 2×773247136841² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (773247136861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386623568420 + 386623568421.

It is an arithmetic number, because the mean of its divisors is an integer number (386623568421).

Almost surely, 2^773247136841 is an apocalyptic number.

It is an amenable number.

773247136841 is a deficient number, since it is larger than the sum of its proper divisors (1).

773247136841 is an equidigital number, since it uses as much as digits as its factorization.

773247136841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 53.

The spelling of 773247136841 in words is "seven hundred seventy-three billion, two hundred forty-seven million, one hundred thirty-six thousand, eight hundred forty-one".