5091901542 has 400 divisors, whose sum is σ = 15373456560. Its totient is φ = 1248234624.

The previous prime is 5091901531. The next prime is 5091901579. The reversal of 5091901542 is 2451091905.

It is a super-2 number, since 2×5091901542² = 51854922626843955528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5091901497 and 5091901506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 96073588 + ... + 96073640.

Almost surely, 2^5091901542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5091901542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7686728280).

5091901542 is an abundant number, since it is smaller than the sum of its proper divisors (10281555018).

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

5091901542 is a wasteful number, since it uses less digits than its factorization.

5091901542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 5091901542 is about 71357.5612111288. The cubic root of 5091901542 is about 1720.3890347243.

The spelling of 5091901542 in words is "five billion, ninety-one million, nine hundred one thousand, five hundred forty-two".