5126149785 has 32 divisors (see below), whose sum is σ = 8298081792. Its totient is φ = 2701946880.

The previous prime is 5126149781. The next prime is 5126149829. The reversal of 5126149785 is 5879416215.

It is a happy number.

It is not a de Polignac number, because 5126149785 - 2² = 5126149781 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 1244880 + ... + 1248990.

It is an arithmetic number, because the mean of its divisors is an integer number (259315056).

Almost surely, 2^5126149785 is an apocalyptic number.

It is an amenable number.

5126149785 is a deficient number, since it is larger than the sum of its proper divisors (3171932007).

5126149785 is a wasteful number, since it uses less digits than its factorization.

5126149785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073.

The product of its digits is 604800, while the sum is 48.

The square root of 5126149785 is about 71597.1353128042. The cubic root of 5126149785 is about 1724.2375441590.

The spelling of 5126149785 in words is "five billion, one hundred twenty-six million, one hundred forty-nine thousand, seven hundred eighty-five".