407969109 has 16 divisors (see below), whose sum is σ = 605451840. Its totient is φ = 271505520.

The previous prime is 407969087. The next prime is 407969117. The reversal of 407969109 is 901969704.

It is not a de Polignac number, because 407969109 - 2¹¹ = 407967061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407969189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2979 + ... + 28719.

It is an arithmetic number, because the mean of its divisors is an integer number (37840740).

Almost surely, 2^407969109 is an apocalyptic number.

It is an amenable number.

407969109 is a deficient number, since it is larger than the sum of its proper divisors (197482731).

407969109 is a wasteful number, since it uses less digits than its factorization.

407969109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26337 (or 26331 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 407969109 is about 20198.2451960560. The cubic root of 407969109 is about 741.6672348998.

The spelling of 407969109 in words is "four hundred seven million, nine hundred sixty-nine thousand, one hundred nine".