764142445019 has 2 divisors, whose sum is σ = 764142445020. Its totient is φ = 764142445018.

The previous prime is 764142445009. The next prime is 764142445057. The reversal of 764142445019 is 910544241467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 764142445019 - 2⁸ = 764142444763 is a prime.

It is a super-2 number, since 2×764142445019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (764142445009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382071222509 + 382071222510.

It is an arithmetic number, because the mean of its divisors is an integer number (382071222510).

Almost surely, 2^764142445019 is an apocalyptic number.

764142445019 is a deficient number, since it is larger than the sum of its proper divisors (1).

764142445019 is an equidigital number, since it uses as much as digits as its factorization.

764142445019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 764142445019 in words is "seven hundred sixty-four billion, one hundred forty-two million, four hundred forty-five thousand, nineteen".