5091901543 has 4 divisors (see below), whose sum is σ = 5095203088. Its totient is φ = 5088600000.

The previous prime is 5091901531. The next prime is 5091901579. The reversal of 5091901543 is 3451091905.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3451091905 = 5 ⋅690218381.

It is a cyclic number.

It is not a de Polignac number, because 5091901543 - 2¹³ = 5091893351 is a prime.

It is a super-2 number, since 2×5091901543² = 51854922647211561698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5091901583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648458 + ... + 1651543.

It is an arithmetic number, because the mean of its divisors is an integer number (1273800772).

Almost surely, 2^5091901543 is an apocalyptic number.

5091901543 is a deficient number, since it is larger than the sum of its proper divisors (3301545).

5091901543 is a wasteful number, since it uses less digits than its factorization.

5091901543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301544.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 5091901543 is about 71357.5612181358. The cubic root of 5091901543 is about 1720.3890348370.

The spelling of 5091901543 in words is "five billion, ninety-one million, nine hundred one thousand, five hundred forty-three".