542412364251 has 4 divisors (see below), whose sum is σ = 723216485672. Its totient is φ = 361608242832.

The previous prime is 542412364181. The next prime is 542412364267. The reversal of 542412364251 is 152463214245.

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

It is not a de Polignac number, because 542412364251 - 2⁹ = 542412363739 is a prime.

It is a super-3 number, since 3×542412364251³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542412364451) 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, 90402060706 + ... + 90402060711.

It is an arithmetic number, because the mean of its divisors is an integer number (180804121418).

Almost surely, 2^542412364251 is an apocalyptic number.

542412364251 is a deficient number, since it is larger than the sum of its proper divisors (180804121421).

542412364251 is a wasteful number, since it uses less digits than its factorization.

542412364251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180804121420.

The product of its digits is 230400, while the sum is 39.

Adding to 542412364251 its reverse (152463214245), we get a palindrome (694875578496).

The spelling of 542412364251 in words is "five hundred forty-two billion, four hundred twelve million, three hundred sixty-four thousand, two hundred fifty-one".