542173640600739 has 32 divisors (see below), whose sum is σ = 826332263539200. Its totient is φ = 309752425152000.

The previous prime is 542173640600723. The next prime is 542173640600777. The reversal of 542173640600739 is 937006046371245.

It is a happy number.

It is not a de Polignac number, because 542173640600739 - 2⁴ = 542173640600723 is a prime.

It is a super-2 number, since 2×542173640600739² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (542173620600739) 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 31 ways as a sum of consecutive naturals, for example, 2306503764 + ... + 2306738814.

It is an arithmetic number, because the mean of its divisors is an integer number (25822883235600).

Almost surely, 2^{542173640600739} is an apocalyptic number.

542173640600739 is a deficient number, since it is larger than the sum of its proper divisors (284158622938461).

542173640600739 is a wasteful number, since it uses less digits than its factorization.

542173640600739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256251.

The product of its (nonzero) digits is 22861440, while the sum is 57.

The spelling of 542173640600739 in words is "five hundred forty-two trillion, one hundred seventy-three billion, six hundred forty million, six hundred thousand, seven hundred thirty-nine".