109429919 has 2 divisors, whose sum is σ = 109429920. Its totient is φ = 109429918.

The previous prime is 109429909. The next prime is 109429927. The reversal of 109429919 is 919924901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109429919 is a prime.

It is a super-2 number, since 2×109429919² = 23949814344693122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109429919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109429909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54714959 + 54714960.

It is an arithmetic number, because the mean of its divisors is an integer number (54714960).

Almost surely, 2^109429919 is an apocalyptic number.

109429919 is a deficient number, since it is larger than the sum of its proper divisors (1).

109429919 is an equidigital number, since it uses as much as digits as its factorization.

109429919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 109429919 is about 10460.8756325654. The cubic root of 109429919 is about 478.3128251705.

It can be divided in two parts, 1094 and 29919, that added together give a palindrome (31013).

The spelling of 109429919 in words is "one hundred nine million, four hundred twenty-nine thousand, nine hundred nineteen".