10043285621 has 2 divisors, whose sum is σ = 10043285622. Its totient is φ = 10043285620.

The previous prime is 10043285599. The next prime is 10043285641. The reversal of 10043285621 is 12658234001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9937298596 + 105987025 = 99686^2 + 10295^2 .

It is a cyclic number.

It is not a de Polignac number, because 10043285621 - 2²² = 10039091317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10043285641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021642810 + 5021642811.

It is an arithmetic number, because the mean of its divisors is an integer number (5021642811).

Almost surely, 2^10043285621 is an apocalyptic number.

It is an amenable number.

10043285621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10043285621 is an equidigital number, since it uses as much as digits as its factorization.

10043285621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 10043285621 in words is "ten billion, forty-three million, two hundred eighty-five thousand, six hundred twenty-one".