5149390263 has 4 divisors (see below), whose sum is σ = 6865853688. Its totient is φ = 3432926840.

The previous prime is 5149390243. The next prime is 5149390273. The reversal of 5149390263 is 3620939415.

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 5149390263 - 2⁵ = 5149390231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149390243) 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, 858231708 + ... + 858231713.

It is an arithmetic number, because the mean of its divisors is an integer number (1716463422).

Almost surely, 2^5149390263 is an apocalyptic number.

5149390263 is a deficient number, since it is larger than the sum of its proper divisors (1716463425).

5149390263 is a wasteful number, since it uses less digits than its factorization.

5149390263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716463424.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 5149390263 is about 71759.2521073067. The cubic root of 5149390263 is about 1726.8393473331.

The spelling of 5149390263 in words is "five billion, one hundred forty-nine million, three hundred ninety thousand, two hundred sixty-three".