41553989369 has 2 divisors, whose sum is σ = 41553989370. Its totient is φ = 41553989368.

The previous prime is 41553989357. The next prime is 41553989431. The reversal of 41553989369 is 96398935514.

It is an a-pointer prime, because the next prime (41553989431) can be obtained adding 41553989369 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35075671225 + 6478318144 = 187285^2 + 80488^2 .

It is a cyclic number.

It is not a de Polignac number, because 41553989369 - 2⁴ = 41553989353 is a prime.

It is a super-2 number, since 2×41553989369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41553989329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20776994684 + 20776994685.

It is an arithmetic number, because the mean of its divisors is an integer number (20776994685).

Almost surely, 2^41553989369 is an apocalyptic number.

It is an amenable number.

41553989369 is a deficient number, since it is larger than the sum of its proper divisors (1).

41553989369 is an equidigital number, since it uses as much as digits as its factorization.

41553989369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31492800, while the sum is 62.

The spelling of 41553989369 in words is "forty-one billion, five hundred fifty-three million, nine hundred eighty-nine thousand, three hundred sixty-nine".