6465767423 has 4 divisors (see below), whose sum is σ = 6528541968. Its totient is φ = 6402992880.

The previous prime is 6465767419. The next prime is 6465767593. The reversal of 6465767423 is 3247675646.

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 6465767423 - 2² = 6465767419 is a prime.

It is a super-2 number, since 2×6465767423² = 83612296736656121858, which 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 (6465767323) 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, 31387118 + ... + 31387323.

It is an arithmetic number, because the mean of its divisors is an integer number (1632135492).

Almost surely, 2^6465767423 is an apocalyptic number.

6465767423 is a deficient number, since it is larger than the sum of its proper divisors (62774545).

6465767423 is a wasteful number, since it uses less digits than its factorization.

6465767423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62774544.

The product of its digits is 5080320, while the sum is 50.

The square root of 6465767423 is about 80409.9957903245. The cubic root of 6465767423 is about 1862.9735670582.

The spelling of 6465767423 in words is "six billion, four hundred sixty-five million, seven hundred sixty-seven thousand, four hundred twenty-three".