5142993749 has 2 divisors, whose sum is σ = 5142993750. Its totient is φ = 5142993748.

The previous prime is 5142993727. The next prime is 5142993763. The reversal of 5142993749 is 9473992415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4787671249 + 355322500 = 69193^2 + 18850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5142993749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5142993749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5142993949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571496874 + 2571496875.

It is an arithmetic number, because the mean of its divisors is an integer number (2571496875).

Almost surely, 2^5142993749 is an apocalyptic number.

It is an amenable number.

5142993749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5142993749 is an equidigital number, since it uses as much as digits as its factorization.

5142993749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The square root of 5142993749 is about 71714.6689945648. The cubic root of 5142993749 is about 1726.1240310017.

The spelling of 5142993749 in words is "five billion, one hundred forty-two million, nine hundred ninety-three thousand, seven hundred forty-nine".