764122145009 has 2 divisors, whose sum is σ = 764122145010. Its totient is φ = 764122145008.

The previous prime is 764122144999. The next prime is 764122145027. The reversal of 764122145009 is 900541221467.

764122145009 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., 722037673984 + 42084471025 = 849728^2 + 205145^2 .

It is a cyclic number.

It is not a de Polignac number, because 764122145009 - 2⁴ = 764122144993 is a prime.

It is a super-2 number, since 2×764122145009² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (764122142009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382061072504 + 382061072505.

It is an arithmetic number, because the mean of its divisors is an integer number (382061072505).

Almost surely, 2^764122145009 is an apocalyptic number.

It is an amenable number.

764122145009 is a deficient number, since it is larger than the sum of its proper divisors (1).

764122145009 is an equidigital number, since it uses as much as digits as its factorization.

764122145009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 764122145009 in words is "seven hundred sixty-four billion, one hundred twenty-two million, one hundred forty-five thousand, nine".