36913243443991 has 2 divisors, whose sum is σ = 36913243443992. Its totient is φ = 36913243443990.

The previous prime is 36913243443959. The next prime is 36913243443997. The reversal of 36913243443991 is 19934434231963.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36913243443991 - 2⁵ = 36913243443959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36913243443997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18456621721995 + 18456621721996.

It is an arithmetic number, because the mean of its divisors is an integer number (18456621721996).

Almost surely, 2^{36913243443991} is an apocalyptic number.

36913243443991 is a deficient number, since it is larger than the sum of its proper divisors (1).

36913243443991 is an equidigital number, since it uses as much as digits as its factorization.

36913243443991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45349632, while the sum is 61.

The spelling of 36913243443991 in words is "thirty-six trillion, nine hundred thirteen billion, two hundred forty-three million, four hundred forty-three thousand, nine hundred ninety-one".