544153155413321 has 16 divisors (see below), whose sum is σ = 551690040960000. Its totient is φ = 536668855731840.

The previous prime is 544153155413317. The next prime is 544153155413327. The reversal of 544153155413321 is 123314551351445.

It is a cyclic number.

It is not a de Polignac number, because 544153155413321 - 2² = 544153155413317 is a prime.

It is a super-2 number, since 2×544153155413321² (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 (544153155413327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159609176 + ... + 162982806.

It is an arithmetic number, because the mean of its divisors is an integer number (34480627560000).

Almost surely, 2^{544153155413321} is an apocalyptic number.

It is an amenable number.

544153155413321 is a deficient number, since it is larger than the sum of its proper divisors (7536885546679).

544153155413321 is a wasteful number, since it uses less digits than its factorization.

544153155413321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381424.

The product of its digits is 2160000, while the sum is 47.

The spelling of 544153155413321 in words is "five hundred forty-four trillion, one hundred fifty-three billion, one hundred fifty-five million, four hundred thirteen thousand, three hundred twenty-one".