5140981693 has 2 divisors, whose sum is σ = 5140981694. Its totient is φ = 5140981692.

The previous prime is 5140981691. The next prime is 5140981763. The reversal of 5140981693 is 3961890415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4786149124 + 354832569 = 69182^2 + 18837^2 .

It is a cyclic number.

It is not a de Polignac number, because 5140981693 - 2¹ = 5140981691 is a prime.

It is a super-2 number, since 2×5140981693² = 52859385535522292498, which contains 22 as substring.

Together with 5140981691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5140981691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2570490846 + 2570490847.

It is an arithmetic number, because the mean of its divisors is an integer number (2570490847).

Almost surely, 2^5140981693 is an apocalyptic number.

It is an amenable number.

5140981693 is a deficient number, since it is larger than the sum of its proper divisors (1).

5140981693 is an equidigital number, since it uses as much as digits as its factorization.

5140981693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 5140981693 is about 71700.6394183483. The cubic root of 5140981693 is about 1725.8989019949.

The spelling of 5140981693 in words is "five billion, one hundred forty million, nine hundred eighty-one thousand, six hundred ninety-three".