36443427649619 has 2 divisors, whose sum is σ = 36443427649620. Its totient is φ = 36443427649618.

The previous prime is 36443427649583. The next prime is 36443427649631. The reversal of 36443427649619 is 91694672434463.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36443427649619 is a prime.

It is a super-2 number, since 2×36443427649619² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (36443427649649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18221713824809 + 18221713824810.

It is an arithmetic number, because the mean of its divisors is an integer number (18221713824810).

Almost surely, 2^{36443427649619} is an apocalyptic number.

36443427649619 is a deficient number, since it is larger than the sum of its proper divisors (1).

36443427649619 is an equidigital number, since it uses as much as digits as its factorization.

36443427649619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564350976, while the sum is 68.

The spelling of 36443427649619 in words is "thirty-six trillion, four hundred forty-three billion, four hundred twenty-seven million, six hundred forty-nine thousand, six hundred nineteen".