542100234869 has 2 divisors, whose sum is σ = 542100234870. Its totient is φ = 542100234868.

The previous prime is 542100234857. The next prime is 542100234911. The reversal of 542100234869 is 968432001245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369131583844 + 172968651025 = 607562^2 + 415895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542100234869 is a prime.

It is a super-2 number, since 2×542100234869² (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 (542100204869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271050117434 + 271050117435.

It is an arithmetic number, because the mean of its divisors is an integer number (271050117435).

Almost surely, 2^542100234869 is an apocalyptic number.

It is an amenable number.

542100234869 is a deficient number, since it is larger than the sum of its proper divisors (1).

542100234869 is an equidigital number, since it uses as much as digits as its factorization.

542100234869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 542100234869 in words is "five hundred forty-two billion, one hundred million, two hundred thirty-four thousand, eight hundred sixty-nine".