6464153653 has 4 divisors (see below), whose sum is σ = 6488732448. Its totient is φ = 6439574860.

The previous prime is 6464153651. The next prime is 6464153687. The reversal of 6464153653 is 3563514646.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3563514646 = 2 ⋅1781757323.

It is a cyclic number.

It is not a de Polignac number, because 6464153653 - 2¹ = 6464153651 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 (6464153651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12289003 + ... + 12289528.

It is an arithmetic number, because the mean of its divisors is an integer number (1622183112).

Almost surely, 2^6464153653 is an apocalyptic number.

It is an amenable number.

6464153653 is a deficient number, since it is larger than the sum of its proper divisors (24578795).

6464153653 is a wasteful number, since it uses less digits than its factorization.

6464153653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24578794.

The product of its digits is 777600, while the sum is 43.

The square root of 6464153653 is about 80399.9605285973. The cubic root of 6464153653 is about 1862.8185629774.

The spelling of 6464153653 in words is "six billion, four hundred sixty-four million, one hundred fifty-three thousand, six hundred fifty-three".