64926799343 has 4 divisors (see below), whose sum is σ = 74202056400. Its totient is φ = 55651542288.

The previous prime is 64926799309. The next prime is 64926799367. The reversal of 64926799343 is 34399762946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34399762946 = 2 ⋅17199881473.

It is a cyclic number.

It is not a de Polignac number, because 64926799343 - 2¹² = 64926795247 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 (64926799043) 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, 4637628518 + ... + 4637628531.

It is an arithmetic number, because the mean of its divisors is an integer number (18550514100).

Almost surely, 2^64926799343 is an apocalyptic number.

64926799343 is a deficient number, since it is larger than the sum of its proper divisors (9275257057).

64926799343 is an equidigital number, since it uses as much as digits as its factorization.

64926799343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275257056.

The product of its digits is 52907904, while the sum is 62.

The spelling of 64926799343 in words is "sixty-four billion, nine hundred twenty-six million, seven hundred ninety-nine thousand, three hundred forty-three".