542100042413 has 4 divisors (see below), whose sum is σ = 573988280220. Its totient is φ = 510211804608.

The previous prime is 542100042377. The next prime is 542100042427. The reversal of 542100042413 is 314240001245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314240001245 = 5 ⋅62848000249.

It can be written as a sum of positive squares in 2 ways, for example, as 485846638729 + 56253403684 = 697027^2 + 237178^2 .

It is a cyclic number.

It is not a de Polignac number, because 542100042413 - 2¹² = 542100038317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542100042493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15944118878 + ... + 15944118911.

It is an arithmetic number, because the mean of its divisors is an integer number (143497070055).

Almost surely, 2^542100042413 is an apocalyptic number.

It is an amenable number.

542100042413 is a deficient number, since it is larger than the sum of its proper divisors (31888237807).

542100042413 is a wasteful number, since it uses less digits than its factorization.

542100042413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31888237806.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 542100042413 its reverse (314240001245), we get a palindrome (856340043658).

The spelling of 542100042413 in words is "five hundred forty-two billion, one hundred million, forty-two thousand, four hundred thirteen".