542447012951 has 4 divisors (see below), whose sum is σ = 566031665712. Its totient is φ = 518862360192.

The previous prime is 542447012941. The next prime is 542447012993. The reversal of 542447012951 is 159210744245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542447012951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542447012911) 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, 11792326346 + ... + 11792326391.

It is an arithmetic number, because the mean of its divisors is an integer number (141507916428).

Almost surely, 2^542447012951 is an apocalyptic number.

542447012951 is a deficient number, since it is larger than the sum of its proper divisors (23584652761).

542447012951 is a wasteful number, since it uses less digits than its factorization.

542447012951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23584652760.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 542447012951 in words is "five hundred forty-two billion, four hundred forty-seven million, twelve thousand, nine hundred fifty-one".