105464324621 has 4 divisors (see below), whose sum is σ = 109101025500. Its totient is φ = 101827623744.

The previous prime is 105464324611. The next prime is 105464324653. The reversal of 105464324621 is 126423464501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25821276100 + 79643048521 = 160690^2 + 282211^2 .

It is a cyclic number.

It is not a de Polignac number, because 105464324621 - 2⁶ = 105464324557 is a prime.

It is a super-2 number, since 2×105464324621² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105464324611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1818350396 + ... + 1818350453.

It is an arithmetic number, because the mean of its divisors is an integer number (27275256375).

Almost surely, 2^105464324621 is an apocalyptic number.

It is an amenable number.

105464324621 is a deficient number, since it is larger than the sum of its proper divisors (3636700879).

105464324621 is an equidigital number, since it uses as much as digits as its factorization.

105464324621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636700878.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 105464324621 in words is "one hundred five billion, four hundred sixty-four million, three hundred twenty-four thousand, six hundred twenty-one".