542527673421 has 8 divisors (see below), whose sum is σ = 746704754944. Its totient is φ = 350017853760.

The previous prime is 542527673407. The next prime is 542527673449. The reversal of 542527673421 is 124376725245.

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

It is not a de Polignac number, because 542527673421 - 2¹⁵ = 542527640653 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 (542527673921) 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, 2916815356 + ... + 2916815541.

It is an arithmetic number, because the mean of its divisors is an integer number (93338094368).

Almost surely, 2^542527673421 is an apocalyptic number.

It is an amenable number.

542527673421 is a deficient number, since it is larger than the sum of its proper divisors (204177081523).

542527673421 is a wasteful number, since it uses less digits than its factorization.

542527673421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833630931.

The product of its digits is 2822400, while the sum is 48.

The spelling of 542527673421 in words is "five hundred forty-two billion, five hundred twenty-seven million, six hundred seventy-three thousand, four hundred twenty-one".