542369951237 has 2 divisors, whose sum is σ = 542369951238. Its totient is φ = 542369951236.

The previous prime is 542369951213. The next prime is 542369951239. The reversal of 542369951237 is 732159963245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539657728996 + 2712222241 = 734614^2 + 52079^2 .

It is a cyclic number.

It is not a de Polignac number, because 542369951237 - 2⁸ = 542369950981 is a prime.

Together with 542369951239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542369951239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271184975618 + 271184975619.

It is an arithmetic number, because the mean of its divisors is an integer number (271184975619).

Almost surely, 2^542369951237 is an apocalyptic number.

It is an amenable number.

542369951237 is a deficient number, since it is larger than the sum of its proper divisors (1).

542369951237 is an equidigital number, since it uses as much as digits as its factorization.

542369951237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12247200, while the sum is 56.

The spelling of 542369951237 in words is "five hundred forty-two billion, three hundred sixty-nine million, nine hundred fifty-one thousand, two hundred thirty-seven".