5149901904 has 80 divisors (see below), whose sum is σ = 15224025600. Its totient is φ = 1469508480.

The previous prime is 5149901891. The next prime is 5149901909. The reversal of 5149901904 is 4091099415.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149901909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263047 + ... + 281945.

It is an arithmetic number, because the mean of its divisors is an integer number (190300320).

Almost surely, 2^5149901904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5149901904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7612012800).

5149901904 is an abundant number, since it is smaller than the sum of its proper divisors (10074123696).

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

5149901904 is a wasteful number, since it uses less digits than its factorization.

5149901904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19728 (or 19722 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 5149901904 is about 71762.8170015643. The cubic root of 5149901904 is about 1726.8965380881.

The spelling of 5149901904 in words is "five billion, one hundred forty-nine million, nine hundred one thousand, nine hundred four".