765533074433 has 2 divisors, whose sum is σ = 765533074434. Its totient is φ = 765533074432.

The previous prime is 765533074387. The next prime is 765533074463. The reversal of 765533074433 is 334470335567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 632608664689 + 132924409744 = 795367^2 + 364588^2 .

It is an emirp because it is prime and its reverse (334470335567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 765533074433 - 2¹⁴ = 765533058049 is a prime.

It is a super-2 number, since 2×765533074433² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (765533074463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382766537216 + 382766537217.

It is an arithmetic number, because the mean of its divisors is an integer number (382766537217).

Almost surely, 2^765533074433 is an apocalyptic number.

It is an amenable number.

765533074433 is a deficient number, since it is larger than the sum of its proper divisors (1).

765533074433 is an equidigital number, since it uses as much as digits as its factorization.

765533074433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 50.

The spelling of 765533074433 in words is "seven hundred sixty-five billion, five hundred thirty-three million, seventy-four thousand, four hundred thirty-three".