5137814921 has 2 divisors, whose sum is σ = 5137814922. Its totient is φ = 5137814920.

The previous prime is 5137814887. The next prime is 5137814923. The reversal of 5137814921 is 1294187315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5110105225 + 27709696 = 71485^2 + 5264^2 .

It is a cyclic number.

It is not a de Polignac number, because 5137814921 - 2²² = 5133620617 is a prime.

Together with 5137814923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5137814923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2568907460 + 2568907461.

It is an arithmetic number, because the mean of its divisors is an integer number (2568907461).

Almost surely, 2^5137814921 is an apocalyptic number.

It is an amenable number.

5137814921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5137814921 is an equidigital number, since it uses as much as digits as its factorization.

5137814921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 5137814921 is about 71678.5527267397. The cubic root of 5137814921 is about 1725.5444527698.

The spelling of 5137814921 in words is "five billion, one hundred thirty-seven million, eight hundred fourteen thousand, nine hundred twenty-one".