109459799 has 2 divisors, whose sum is σ = 109459800. Its totient is φ = 109459798.

The previous prime is 109459781. The next prime is 109459913. The reversal of 109459799 is 997954901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109459799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109459799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109459759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54729899 + 54729900.

It is an arithmetic number, because the mean of its divisors is an integer number (54729900).

Almost surely, 2^109459799 is an apocalyptic number.

109459799 is a deficient number, since it is larger than the sum of its proper divisors (1).

109459799 is an equidigital number, since it uses as much as digits as its factorization.

109459799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 53.

The square root of 109459799 is about 10462.3037138099. The cubic root of 109459799 is about 478.3563558816.

The spelling of 109459799 in words is "one hundred nine million, four hundred fifty-nine thousand, seven hundred ninety-nine".