542454686845 has 8 divisors (see below), whose sum is σ = 650949617664. Its totient is φ = 433961087184.

The previous prime is 542454686831. The next prime is 542454686849. The reversal of 542454686845 is 548686454245.

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

It is a cyclic number.

It is not a de Polignac number, because 542454686845 - 2³⁵ = 508094948477 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 (542454686849) 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, 1236292 + ... + 1616578.

It is an arithmetic number, because the mean of its divisors is an integer number (81368702208).

Almost surely, 2^542454686845 is an apocalyptic number.

It is an amenable number.

542454686845 is a deficient number, since it is larger than the sum of its proper divisors (108494930819).

542454686845 is a wasteful number, since it uses less digits than its factorization.

542454686845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665579.

The product of its digits is 147456000, while the sum is 61.

The spelling of 542454686845 in words is "five hundred forty-two billion, four hundred fifty-four million, six hundred eighty-six thousand, eight hundred forty-five".