5538874038749 has 2 divisors, whose sum is σ = 5538874038750. Its totient is φ = 5538874038748.

The previous prime is 5538874038707. The next prime is 5538874038779. The reversal of 5538874038749 is 9478304788355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5500572808900 + 38301229849 = 2345330^2 + 195707^2 .

It is a cyclic number.

It is not a de Polignac number, because 5538874038749 - 2²⁴ = 5538857261533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5538874038779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2769437019374 + 2769437019375.

It is an arithmetic number, because the mean of its divisors is an integer number (2769437019375).

Almost surely, 2^{5538874038749} is an apocalyptic number.

It is an amenable number.

5538874038749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5538874038749 is an equidigital number, since it uses as much as digits as its factorization.

5538874038749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 812851200, while the sum is 71.

The spelling of 5538874038749 in words is "five trillion, five hundred thirty-eight billion, eight hundred seventy-four million, thirty-eight thousand, seven hundred forty-nine".