105273365621 has 8 divisors (see below), whose sum is σ = 109117902720. Its totient is φ = 101495690208.

The previous prime is 105273365543. The next prime is 105273365641. The reversal of 105273365621 is 126563372501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105273365621 is a prime.

It is a super-2 number, since 2×105273365621² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105273365641) 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, 16712216 + ... + 16718513.

It is an arithmetic number, because the mean of its divisors is an integer number (13639737840).

Almost surely, 2^105273365621 is an apocalyptic number.

It is an amenable number.

105273365621 is a deficient number, since it is larger than the sum of its proper divisors (3844537099).

105273365621 is an equidigital number, since it uses as much as digits as its factorization.

105273365621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33430843.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 105273365621 in words is "one hundred five billion, two hundred seventy-three million, three hundred sixty-five thousand, six hundred twenty-one".