4041017621 has 2 divisors, whose sum is σ = 4041017622. Its totient is φ = 4041017620.

The previous prime is 4041017609. The next prime is 4041017627. The reversal of 4041017621 is 1267101404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2599980100 + 1441037521 = 50990^2 + 37961^2 .

It is a cyclic number.

It is not a de Polignac number, because 4041017621 - 2¹⁰ = 4041016597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4041017627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020508810 + 2020508811.

It is an arithmetic number, because the mean of its divisors is an integer number (2020508811).

Almost surely, 2^4041017621 is an apocalyptic number.

It is an amenable number.

4041017621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4041017621 is an equidigital number, since it uses as much as digits as its factorization.

4041017621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 4041017621 is about 63568.9988988343. The cubic root of 4041017621 is about 1592.8085615023.

The spelling of 4041017621 in words is "four billion, forty-one million, seventeen thousand, six hundred twenty-one".