5149139576 has 72 divisors (see below), whose sum is σ = 11347323480. Its totient is φ = 2145788064.

The previous prime is 5149139531. The next prime is 5149139599. The reversal of 5149139576 is 6759319415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23090201 + ... + 23090423.

It is an arithmetic number, because the mean of its divisors is an integer number (157601715).

Almost surely, 2^5149139576 is an apocalyptic number.

5149139576 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5149139576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5673661740).

5149139576 is an abundant number, since it is smaller than the sum of its proper divisors (6198183904).

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

5149139576 is an equidigital number, since it uses as much as digits as its factorization.

5149139576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 275 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 50.

The square root of 5149139576 is about 71757.5053635506. The cubic root of 5149139576 is about 1726.8113243907.

The spelling of 5149139576 in words is "five billion, one hundred forty-nine million, one hundred thirty-nine thousand, five hundred seventy-six".