542366140453 has 2 divisors, whose sum is σ = 542366140454. Its totient is φ = 542366140452.

The previous prime is 542366140429. The next prime is 542366140493. The reversal of 542366140453 is 354041663245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361463083524 + 180903056929 = 601218^2 + 425327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542366140453 is a prime.

It is a super-2 number, since 2×542366140453² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542366140493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271183070226 + 271183070227.

It is an arithmetic number, because the mean of its divisors is an integer number (271183070227).

Almost surely, 2^542366140453 is an apocalyptic number.

It is an amenable number.

542366140453 is a deficient number, since it is larger than the sum of its proper divisors (1).

542366140453 is an equidigital number, since it uses as much as digits as its factorization.

542366140453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 542366140453 in words is "five hundred forty-two billion, three hundred sixty-six million, one hundred forty thousand, four hundred fifty-three".