6384994263 has 16 divisors (see below), whose sum is σ = 9483583200. Its totient is φ = 4245713280.

The previous prime is 6384994243. The next prime is 6384994307. The reversal of 6384994263 is 3624994836.

It is not a de Polignac number, because 6384994263 - 2¹³ = 6384986071 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6384994243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293458 + ... + 314463.

It is an arithmetic number, because the mean of its divisors is an integer number (592723950).

Almost surely, 2^6384994263 is an apocalyptic number.

6384994263 is a deficient number, since it is larger than the sum of its proper divisors (3098588937).

6384994263 is a wasteful number, since it uses less digits than its factorization.

6384994263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608319 (or 608313 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The square root of 6384994263 is about 79906.1591055408. The cubic root of 6384994263 is about 1855.1833466211.

The spelling of 6384994263 in words is "six billion, three hundred eighty-four million, nine hundred ninety-four thousand, two hundred sixty-three".