764158690813 has 4 divisors (see below), whose sum is σ = 873324218080. Its totient is φ = 654993163548.

The previous prime is 764158690811. The next prime is 764158690817. The reversal of 764158690813 is 318096851467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 764158690813 - 2¹ = 764158690811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764158690811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54582763623 + ... + 54582763636.

It is an arithmetic number, because the mean of its divisors is an integer number (218331054520).

Almost surely, 2^764158690813 is an apocalyptic number.

It is an amenable number.

764158690813 is a deficient number, since it is larger than the sum of its proper divisors (109165527267).

764158690813 is a wasteful number, since it uses less digits than its factorization.

764158690813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109165527266.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 764158690813 in words is "seven hundred sixty-four billion, one hundred fifty-eight million, six hundred ninety thousand, eight hundred thirteen".