6142737991531 has 2 divisors, whose sum is σ = 6142737991532. Its totient is φ = 6142737991530.

The previous prime is 6142737991457. The next prime is 6142737991561. The reversal of 6142737991531 is 1351997372416.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6142737991531 - 2²⁹ = 6142201120619 is a prime.

It is a super-2 number, since 2×6142737991531² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6142737991561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3071368995765 + 3071368995766.

It is an arithmetic number, because the mean of its divisors is an integer number (3071368995766).

Almost surely, 2^{6142737991531} is an apocalyptic number.

6142737991531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6142737991531 is an equidigital number, since it uses as much as digits as its factorization.

6142737991531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8573040, while the sum is 58.

The spelling of 6142737991531 in words is "six trillion, one hundred forty-two billion, seven hundred thirty-seven million, nine hundred ninety-one thousand, five hundred thirty-one".