542212144553069 has 4 divisors (see below), whose sum is σ = 543606006107580. Its totient is φ = 540818282998560.

The previous prime is 542212144553039. The next prime is 542212144553071. The reversal of 542212144553069 is 960355441212245.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 355266329220100 + 186945815332969 = 18848510^2 + 13672813^2 .

It is a cyclic number.

It is not a de Polignac number, because 542212144553069 - 2³⁶ = 542143425076333 is a prime.

It is a super-2 number, since 2×542212144553069² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542212144553069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542212144553039) 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, 696930776672 + ... + 696930777449.

It is an arithmetic number, because the mean of its divisors is an integer number (135901501526895).

Almost surely, 2^{542212144553069} is an apocalyptic number.

It is an amenable number.

542212144553069 is a deficient number, since it is larger than the sum of its proper divisors (1393861554511).

542212144553069 is a wasteful number, since it uses less digits than its factorization.

542212144553069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393861554510.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 542212144553069 in words is "five hundred forty-two trillion, two hundred twelve billion, one hundred forty-four million, five hundred fifty-three thousand, sixty-nine".