6456264523 has 4 divisors (see below), whose sum is σ = 6477024528. Its totient is φ = 6435504520.

The previous prime is 6456264499. The next prime is 6456264527. The reversal of 6456264523 is 3254626546.

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 6456264523 - 2⁵ = 6456264491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6456264523.

It is not an unprimeable number, because it can be changed into a prime (6456264527) 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, 10379536 + ... + 10380157.

It is an arithmetic number, because the mean of its divisors is an integer number (1619256132).

Almost surely, 2^6456264523 is an apocalyptic number.

6456264523 is a deficient number, since it is larger than the sum of its proper divisors (20760005).

6456264523 is a wasteful number, since it uses less digits than its factorization.

6456264523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20760004.

The product of its digits is 1036800, while the sum is 43.

The square root of 6456264523 is about 80350.8837723643. The cubic root of 6456264523 is about 1862.0604332873.

The spelling of 6456264523 in words is "six billion, four hundred fifty-six million, two hundred sixty-four thousand, five hundred twenty-three".