108641837497 has 2 divisors, whose sum is σ = 108641837498. Its totient is φ = 108641837496.

The previous prime is 108641837443. The next prime is 108641837503. The reversal of 108641837497 is 794738146801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106952545296 + 1689292201 = 327036^2 + 41101^2 .

It is a cyclic number.

It is not a de Polignac number, because 108641837497 - 2¹⁵ = 108641804729 is a prime.

It is not a weakly prime, because it can be changed into another prime (108641831497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54320918748 + 54320918749.

It is an arithmetic number, because the mean of its divisors is an integer number (54320918749).

Almost surely, 2^108641837497 is an apocalyptic number.

It is an amenable number.

108641837497 is a deficient number, since it is larger than the sum of its proper divisors (1).

108641837497 is an equidigital number, since it uses as much as digits as its factorization.

108641837497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 108641837497 in words is "one hundred eight billion, six hundred forty-one million, eight hundred thirty-seven thousand, four hundred ninety-seven".