542153421459 has 36 divisors (see below), whose sum is σ = 851283717336. Its totient is φ = 332334452736.

The previous prime is 542153421409. The next prime is 542153421463. The reversal of 542153421459 is 954124351245.

542153421459 is a `hidden beast` number, since 5 + 4 + 2 + 153 + 42 + 1 + 459 = 666.

It is not a de Polignac number, because 542153421459 - 2²⁴ = 542136644243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542153421409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 302577 + ... + 1084370.

It is an arithmetic number, because the mean of its divisors is an integer number (23646769926).

Almost surely, 2^542153421459 is an apocalyptic number.

542153421459 is a deficient number, since it is larger than the sum of its proper divisors (309130295877).

542153421459 is a wasteful number, since it uses less digits than its factorization.

542153421459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387236 (or 1387220 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The spelling of 542153421459 in words is "five hundred forty-two billion, one hundred fifty-three million, four hundred twenty-one thousand, four hundred fifty-nine".