109408629 has 16 divisors (see below), whose sum is σ = 159727680. Its totient is φ = 66063360.

The previous prime is 109408613. The next prime is 109408661. The reversal of 109408629 is 926804901.

It is not a de Polignac number, because 109408629 - 2⁴ = 109408613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109408729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3157 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (9982980).

Almost surely, 2^109408629 is an apocalyptic number.

It is an amenable number.

109408629 is a deficient number, since it is larger than the sum of its proper divisors (50319051).

109408629 is a wasteful number, since it uses less digits than its factorization.

109408629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12260.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 109408629 is about 10459.8579818275. The cubic root of 109408629 is about 478.2818039756.

The spelling of 109408629 in words is "one hundred nine million, four hundred eight thousand, six hundred twenty-nine".