6142772731 has 2 divisors, whose sum is σ = 6142772732. Its totient is φ = 6142772730.

The previous prime is 6142772723. The next prime is 6142772759. The reversal of 6142772731 is 1372772416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6142772731 - 2³ = 6142772723 is a prime.

It is a super-2 number, since 2×6142772731² = 75467313649434396722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6142770731) 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, 3071386365 + 3071386366.

It is an arithmetic number, because the mean of its divisors is an integer number (3071386366).

Almost surely, 2^6142772731 is an apocalyptic number.

6142772731 is a deficient number, since it is larger than the sum of its proper divisors (1).

6142772731 is an equidigital number, since it uses as much as digits as its factorization.

6142772731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 40.

The square root of 6142772731 is about 78375.8427769680. The cubic root of 6142772731 is about 1831.4208292437.

The spelling of 6142772731 in words is "six billion, one hundred forty-two million, seven hundred seventy-two thousand, seven hundred thirty-one".