41799232921 has 2 divisors, whose sum is σ = 41799232922. Its totient is φ = 41799232920.

The previous prime is 41799232897. The next prime is 41799232933. The reversal of 41799232921 is 12923299714.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38167483225 + 3631749696 = 195365^2 + 60264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41799232921 is a prime.

It is not a weakly prime, because it can be changed into another prime (41799232421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20899616460 + 20899616461.

It is an arithmetic number, because the mean of its divisors is an integer number (20899616461).

Almost surely, 2^41799232921 is an apocalyptic number.

It is an amenable number.

41799232921 is a deficient number, since it is larger than the sum of its proper divisors (1).

41799232921 is an equidigital number, since it uses as much as digits as its factorization.

41799232921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The spelling of 41799232921 in words is "forty-one billion, seven hundred ninety-nine million, two hundred thirty-two thousand, nine hundred twenty-one".