108040060649 has 2 divisors, whose sum is σ = 108040060650. Its totient is φ = 108040060648.

The previous prime is 108040060631. The next prime is 108040060691. The reversal of 108040060649 is 946060040801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68162766400 + 39877294249 = 261080^2 + 199693^2 .

It is a cyclic number.

It is not a de Polignac number, because 108040060649 - 2⁸ = 108040060393 is a prime.

It is not a weakly prime, because it can be changed into another prime (108040060549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54020030324 + 54020030325.

It is an arithmetic number, because the mean of its divisors is an integer number (54020030325).

Almost surely, 2^108040060649 is an apocalyptic number.

It is an amenable number.

108040060649 is a deficient number, since it is larger than the sum of its proper divisors (1).

108040060649 is an equidigital number, since it uses as much as digits as its factorization.

108040060649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 108040060649 in words is "one hundred eight billion, forty million, sixty thousand, six hundred forty-nine".