5137984281 has 4 divisors (see below), whose sum is σ = 6850645712. Its totient is φ = 3425322852.

The previous prime is 5137984213. The next prime is 5137984297. The reversal of 5137984281 is 1824897315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5137984281 - 2⁷ = 5137984153 is a prime.

It is a super-2 number, since 2×5137984281² = 52797764943606173922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5137984281.

It is not an unprimeable number, because it can be changed into a prime (5137986281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856330711 + ... + 856330716.

It is an arithmetic number, because the mean of its divisors is an integer number (1712661428).

Almost surely, 2^5137984281 is an apocalyptic number.

It is an amenable number.

5137984281 is a deficient number, since it is larger than the sum of its proper divisors (1712661431).

5137984281 is a wasteful number, since it uses less digits than its factorization.

5137984281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712661430.

The product of its digits is 483840, while the sum is 48.

The square root of 5137984281 is about 71679.7341024644. The cubic root of 5137984281 is about 1725.5634125158.

The spelling of 5137984281 in words is "five billion, one hundred thirty-seven million, nine hundred eighty-four thousand, two hundred eighty-one".