736665457369 has 2 divisors, whose sum is σ = 736665457370. Its totient is φ = 736665457368.

The previous prime is 736665457343. The next prime is 736665457453. The reversal of 736665457369 is 963754566637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 719638339225 + 17027118144 = 848315^2 + 130488^2 .

It is a cyclic number.

It is not a de Polignac number, because 736665457369 - 2²⁷ = 736531239641 is a prime.

It is a super-2 number, since 2×736665457369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (736665457169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368332728684 + 368332728685.

It is an arithmetic number, because the mean of its divisors is an integer number (368332728685).

Almost surely, 2^736665457369 is an apocalyptic number.

It is an amenable number.

736665457369 is a deficient number, since it is larger than the sum of its proper divisors (1).

736665457369 is an equidigital number, since it uses as much as digits as its factorization.

736665457369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 514382400, while the sum is 67.

The spelling of 736665457369 in words is "seven hundred thirty-six billion, six hundred sixty-five million, four hundred fifty-seven thousand, three hundred sixty-nine".