41561140619 has 2 divisors, whose sum is σ = 41561140620. Its totient is φ = 41561140618.

The previous prime is 41561140603. The next prime is 41561140631. The reversal of 41561140619 is 91604116514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41561140619 - 2⁴ = 41561140603 is a prime.

It is a super-2 number, since 2×41561140619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41561140679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20780570309 + 20780570310.

It is an arithmetic number, because the mean of its divisors is an integer number (20780570310).

Almost surely, 2^41561140619 is an apocalyptic number.

41561140619 is a deficient number, since it is larger than the sum of its proper divisors (1).

41561140619 is an equidigital number, since it uses as much as digits as its factorization.

41561140619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 41561140619 in words is "forty-one billion, five hundred sixty-one million, one hundred forty thousand, six hundred nineteen".