764163428503 has 4 divisors (see below), whose sum is σ = 777115351080. Its totient is φ = 751211505928.

The previous prime is 764163428473. The next prime is 764163428513. The reversal of 764163428503 is 305824361467.

764163428503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 764163428503 - 2¹³ = 764163420311 is a prime.

It is a super-2 number, since 2×764163428503² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764163428513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6475961200 + ... + 6475961317.

It is an arithmetic number, because the mean of its divisors is an integer number (194278837770).

Almost surely, 2^764163428503 is an apocalyptic number.

764163428503 is a deficient number, since it is larger than the sum of its proper divisors (12951922577).

764163428503 is a wasteful number, since it uses less digits than its factorization.

764163428503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12951922576.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 764163428503 in words is "seven hundred sixty-four billion, one hundred sixty-three million, four hundred twenty-eight thousand, five hundred three".