41793811421 has 2 divisors, whose sum is σ = 41793811422. Its totient is φ = 41793811420.

The previous prime is 41793811399. The next prime is 41793811439. The reversal of 41793811421 is 12411839714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27984271225 + 13809540196 = 167285^2 + 117514^2 .

It is a cyclic number.

It is not a de Polignac number, because 41793811421 - 2⁶ = 41793811357 is a prime.

It is a super-2 number, since 2×41793811421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41793811921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20896905710 + 20896905711.

It is an arithmetic number, because the mean of its divisors is an integer number (20896905711).

Almost surely, 2^41793811421 is an apocalyptic number.

It is an amenable number.

41793811421 is a deficient number, since it is larger than the sum of its proper divisors (1).

41793811421 is an equidigital number, since it uses as much as digits as its factorization.

41793811421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The spelling of 41793811421 in words is "forty-one billion, seven hundred ninety-three million, eight hundred eleven thousand, four hundred twenty-one".