775430368963 has 2 divisors, whose sum is σ = 775430368964. Its totient is φ = 775430368962.

The previous prime is 775430368957. The next prime is 775430368967. The reversal of 775430368963 is 369863034577.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 775430368963 - 2²⁹ = 774893498051 is a prime.

It is a super-2 number, since 2×775430368963² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (775430368967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387715184481 + 387715184482.

It is an arithmetic number, because the mean of its divisors is an integer number (387715184482).

Almost surely, 2^775430368963 is an apocalyptic number.

775430368963 is a deficient number, since it is larger than the sum of its proper divisors (1).

775430368963 is an equidigital number, since it uses as much as digits as its factorization.

775430368963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 61.

The spelling of 775430368963 in words is "seven hundred seventy-five billion, four hundred thirty million, three hundred sixty-eight thousand, nine hundred sixty-three".