6462939793 has 4 divisors (see below), whose sum is σ = 6843112740. Its totient is φ = 6082766848.

The previous prime is 6462939781. The next prime is 6462939817. The reversal of 6462939793 is 3979392646.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3979392646 = 2 ⋅1989696323.

It can be written as a sum of positive squares in 2 ways, for example, as 4635975744 + 1826964049 = 68088^2 + 42743^2 .

It is a cyclic number.

It is not a de Polignac number, because 6462939793 - 2⁵ = 6462939761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6462939713) 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, 190086448 + ... + 190086481.

It is an arithmetic number, because the mean of its divisors is an integer number (1710778185).

Almost surely, 2^6462939793 is an apocalyptic number.

It is an amenable number.

6462939793 is a deficient number, since it is larger than the sum of its proper divisors (380172947).

6462939793 is a wasteful number, since it uses less digits than its factorization.

6462939793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380172946.

The product of its digits is 13226976, while the sum is 58.

The square root of 6462939793 is about 80392.4112898724. The cubic root of 6462939793 is about 1862.7019536157.

The spelling of 6462939793 in words is "six billion, four hundred sixty-two million, nine hundred thirty-nine thousand, seven hundred ninety-three".