4139408263 has 4 divisors (see below), whose sum is σ = 4251284200. Its totient is φ = 4027532328.

The previous prime is 4139408249. The next prime is 4139408291. The reversal of 4139408263 is 3628049314.

It is a happy number.

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 4139408263 - 2¹³ = 4139400071 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 (4139408243) 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, 55937913 + ... + 55937986.

It is an arithmetic number, because the mean of its divisors is an integer number (1062821050).

Almost surely, 2^4139408263 is an apocalyptic number.

4139408263 is a deficient number, since it is larger than the sum of its proper divisors (111875937).

4139408263 is a wasteful number, since it uses less digits than its factorization.

4139408263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111875936.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 4139408263 is about 64338.2332909445. The cubic root of 4139408263 is about 1605.6322677886.

The spelling of 4139408263 in words is "four billion, one hundred thirty-nine million, four hundred eight thousand, two hundred sixty-three".