544021326472931 has 8 divisors (see below), whose sum is σ = 583016979722784. Its totient is φ = 506304219231360.

The previous prime is 544021326472913. The next prime is 544021326472937. The reversal of 544021326472931 is 139274623120445.

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 544021326472931 - 2⁶ = 544021326472867 is a prime.

It is a super-2 number, since 2×544021326472931² (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 (544021326472937) 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, 319636501190 + ... + 319636502891.

It is an arithmetic number, because the mean of its divisors is an integer number (72877122465348).

Almost surely, 2^{544021326472931} is an apocalyptic number.

544021326472931 is a deficient number, since it is larger than the sum of its proper divisors (38995653249853).

544021326472931 is a wasteful number, since it uses less digits than its factorization.

544021326472931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639273004141.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 544021326472931 in words is "five hundred forty-four trillion, twenty-one billion, three hundred twenty-six million, four hundred seventy-two thousand, nine hundred thirty-one".