41639667389 has 2 divisors, whose sum is σ = 41639667390. Its totient is φ = 41639667388.

The previous prime is 41639667347. The next prime is 41639667397. The reversal of 41639667389 is 98376693614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41639667364 + 25 = 204058^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 41639667389 - 2¹² = 41639663293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41639667319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20819833694 + 20819833695.

It is an arithmetic number, because the mean of its divisors is an integer number (20819833695).

Almost surely, 2^41639667389 is an apocalyptic number.

It is an amenable number.

41639667389 is a deficient number, since it is larger than the sum of its proper divisors (1).

41639667389 is an equidigital number, since it uses as much as digits as its factorization.

41639667389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35271936, while the sum is 62.

The spelling of 41639667389 in words is "forty-one billion, six hundred thirty-nine million, six hundred sixty-seven thousand, three hundred eighty-nine".