41639424427 has 2 divisors, whose sum is σ = 41639424428. Its totient is φ = 41639424426.

The previous prime is 41639424403. The next prime is 41639424433. The reversal of 41639424427 is 72442493614.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41639424427 is a prime.

It is a super-2 number, since 2×41639424427² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41639424527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20819712213 + 20819712214.

It is an arithmetic number, because the mean of its divisors is an integer number (20819712214).

Almost surely, 2^41639424427 is an apocalyptic number.

41639424427 is a deficient number, since it is larger than the sum of its proper divisors (1).

41639424427 is an equidigital number, since it uses as much as digits as its factorization.

41639424427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 46.

The spelling of 41639424427 in words is "forty-one billion, six hundred thirty-nine million, four hundred twenty-four thousand, four hundred twenty-seven".