542013321503657 has 2 divisors, whose sum is σ = 542013321503658. Its totient is φ = 542013321503656.

The previous prime is 542013321503509. The next prime is 542013321503671. The reversal of 542013321503657 is 756305123310245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423605386968976 + 118407934534681 = 20581676^2 + 10881541^2 .

It is a cyclic number.

It is not a de Polignac number, because 542013321503657 - 2¹⁴ = 542013321487273 is a prime.

It is not a weakly prime, because it can be changed into another prime (542013321503257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271006660751828 + 271006660751829.

It is an arithmetic number, because the mean of its divisors is an integer number (271006660751829).

Almost surely, 2^{542013321503657} is an apocalyptic number.

It is an amenable number.

542013321503657 is a deficient number, since it is larger than the sum of its proper divisors (1).

542013321503657 is an equidigital number, since it uses as much as digits as its factorization.

542013321503657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 542013321503657 in words is "five hundred forty-two trillion, thirteen billion, three hundred twenty-one million, five hundred three thousand, six hundred fifty-seven".