545421241423531 has 8 divisors (see below), whose sum is σ = 609517307489328. Its totient is φ = 483743894832000.

The previous prime is 545421241423511. The next prime is 545421241423607. The reversal of 545421241423531 is 135324142124545.

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

It is not a de Polignac number, because 545421241423531 - 2¹⁵ = 545421241390763 is a prime.

It is a super-2 number, since 2×545421241423531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545421241423511) 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, 604679868090 + ... + 604679868991.

It is an arithmetic number, because the mean of its divisors is an integer number (76189663436166).

Almost surely, 2^{545421241423531} is an apocalyptic number.

545421241423531 is a deficient number, since it is larger than the sum of its proper divisors (64096066065797).

545421241423531 is a wasteful number, since it uses less digits than its factorization.

545421241423531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209359737133.

The product of its digits is 2304000, while the sum is 46.

The spelling of 545421241423531 in words is "five hundred forty-five trillion, four hundred twenty-one billion, two hundred forty-one million, four hundred twenty-three thousand, five hundred thirty-one".