5126149784 has 16 divisors (see below), whose sum is σ = 10984606800. Its totient is φ = 2196921312.

The previous prime is 5126149781. The next prime is 5126149829. The reversal of 5126149784 is 4879416215.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5126149781) 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, 45769139 + ... + 45769250.

It is an arithmetic number, because the mean of its divisors is an integer number (686537925).

Almost surely, 2^5126149784 is an apocalyptic number.

It is an amenable number.

5126149784 is an abundant number, since it is smaller than the sum of its proper divisors (5858457016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5126149784 is a wasteful number, since it uses less digits than its factorization.

5126149784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91538402 (or 91538398 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 5126149784 is about 71597.1353058207. The cubic root of 5126149784 is about 1724.2375440469.

The spelling of 5126149784 in words is "five billion, one hundred twenty-six million, one hundred forty-nine thousand, seven hundred eighty-four".