542224643631 has 8 divisors (see below), whose sum is σ = 788690390784. Its totient is φ = 328620996120.

The previous prime is 542224643621. The next prime is 542224643659. The reversal of 542224643631 is 136346422245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542224643631 - 2⁵ = 542224643599 is a prime.

It is a super-2 number, since 2×542224643631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542224643621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8215524871 + ... + 8215524936.

It is an arithmetic number, because the mean of its divisors is an integer number (98586298848).

Almost surely, 2^542224643631 is an apocalyptic number.

542224643631 is a deficient number, since it is larger than the sum of its proper divisors (246465747153).

542224643631 is a wasteful number, since it uses less digits than its factorization.

542224643631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16431049821.

The product of its digits is 829440, while the sum is 42.

The spelling of 542224643631 in words is "five hundred forty-two billion, two hundred twenty-four million, six hundred forty-three thousand, six hundred thirty-one".