765389293049 has 2 divisors, whose sum is σ = 765389293050. Its totient is φ = 765389293048.

The previous prime is 765389293021. The next prime is 765389293127. The reversal of 765389293049 is 940392983567.

765389293049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 643653198400 + 121736094649 = 802280^2 + 348907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-765389293049 is a prime.

It is not a weakly prime, because it can be changed into another prime (765389293549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382694646524 + 382694646525.

It is an arithmetic number, because the mean of its divisors is an integer number (382694646525).

Almost surely, 2^765389293049 is an apocalyptic number.

It is an amenable number.

765389293049 is a deficient number, since it is larger than the sum of its proper divisors (1).

765389293049 is an equidigital number, since it uses as much as digits as its factorization.

765389293049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88179840, while the sum is 65.

The spelling of 765389293049 in words is "seven hundred sixty-five billion, three hundred eighty-nine million, two hundred ninety-three thousand, forty-nine".