5091901506 has 96 divisors (see below), whose sum is σ = 12227604480. Its totient is φ = 1523208192.

The previous prime is 5091901499. The next prime is 5091901531. The reversal of 5091901506 is 6051091905.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2694610 + ... + 2696498.

It is an arithmetic number, because the mean of its divisors is an integer number (127370880).

Almost surely, 2^5091901506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5091901506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6113802240).

5091901506 is an abundant number, since it is smaller than the sum of its proper divisors (7135702974).

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

5091901506 is a wasteful number, since it uses less digits than its factorization.

5091901506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 5091901506 is about 71357.5609588781. The cubic root of 5091901506 is about 1720.3890306699.

The spelling of 5091901506 in words is "five billion, ninety-one million, nine hundred one thousand, five hundred six".