764430413 has 2 divisors, whose sum is σ = 764430414. Its totient is φ = 764430412.

The previous prime is 764430409. The next prime is 764430473. The reversal of 764430413 is 314034467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 583850569 + 180579844 = 24163^2 + 13438^2 .

It is an emirp because it is prime and its reverse (314034467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764430413 - 2² = 764430409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 764430413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764430473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382215206 + 382215207.

It is an arithmetic number, because the mean of its divisors is an integer number (382215207).

Almost surely, 2^764430413 is an apocalyptic number.

It is an amenable number.

764430413 is a deficient number, since it is larger than the sum of its proper divisors (1).

764430413 is an equidigital number, since it uses as much as digits as its factorization.

764430413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 764430413 is about 27648.3347238129. The cubic root of 764430413 is about 914.3503856540.

The spelling of 764430413 in words is "seven hundred sixty-four million, four hundred thirty thousand, four hundred thirteen".