105410306621 has 2 divisors, whose sum is σ = 105410306622. Its totient is φ = 105410306620.

The previous prime is 105410306581. The next prime is 105410306693. The reversal of 105410306621 is 126603014501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79193839396 + 26216467225 = 281414^2 + 161915^2 .

It is a cyclic number.

It is not a de Polignac number, because 105410306621 - 2³⁰ = 104336564797 is a prime.

It is a super-2 number, since 2×105410306621² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105410309621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52705153310 + 52705153311.

It is an arithmetic number, because the mean of its divisors is an integer number (52705153311).

Almost surely, 2^105410306621 is an apocalyptic number.

It is an amenable number.

105410306621 is a deficient number, since it is larger than the sum of its proper divisors (1).

105410306621 is an equidigital number, since it uses as much as digits as its factorization.

105410306621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 105410306621 in words is "one hundred five billion, four hundred ten million, three hundred six thousand, six hundred twenty-one".