5142343777 has 2 divisors, whose sum is σ = 5142343778. Its totient is φ = 5142343776.

The previous prime is 5142343751. The next prime is 5142343799. The reversal of 5142343777 is 7773432415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4805401041 + 336942736 = 69321^2 + 18356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5142343777 is a prime.

It is not a weakly prime, because it can be changed into another prime (5142343747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571171888 + 2571171889.

It is an arithmetic number, because the mean of its divisors is an integer number (2571171889).

Almost surely, 2^5142343777 is an apocalyptic number.

It is an amenable number.

5142343777 is a deficient number, since it is larger than the sum of its proper divisors (1).

5142343777 is an equidigital number, since it uses as much as digits as its factorization.

5142343777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 43.

The square root of 5142343777 is about 71710.1371983069. The cubic root of 5142343777 is about 1726.0513120362.

The spelling of 5142343777 in words is "five billion, one hundred forty-two million, three hundred forty-three thousand, seven hundred seventy-seven".