109107724639 has 2 divisors, whose sum is σ = 109107724640. Its totient is φ = 109107724638.

The previous prime is 109107724573. The next prime is 109107724643. The reversal of 109107724639 is 936427701901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109107724639 - 2⁷ = 109107724511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109107724592 and 109107724601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109107724669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54553862319 + 54553862320.

It is an arithmetic number, because the mean of its divisors is an integer number (54553862320).

Almost surely, 2^109107724639 is an apocalyptic number.

109107724639 is a deficient number, since it is larger than the sum of its proper divisors (1).

109107724639 is an equidigital number, since it uses as much as digits as its factorization.

109107724639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 109107724639 in words is "one hundred nine billion, one hundred seven million, seven hundred twenty-four thousand, six hundred thirty-nine".