971411109 has 4 divisors (see below), whose sum is σ = 1295214816. Its totient is φ = 647607404.

The previous prime is 971411107. The next prime is 971411117. The reversal of 971411109 is 901114179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 971411109 - 2¹ = 971411107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 971411109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971411101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161901849 + ... + 161901854.

It is an arithmetic number, because the mean of its divisors is an integer number (323803704).

Almost surely, 2^971411109 is an apocalyptic number.

It is an amenable number.

971411109 is a deficient number, since it is larger than the sum of its proper divisors (323803707).

971411109 is a wasteful number, since it uses less digits than its factorization.

971411109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323803706.

The product of its (nonzero) digits is 2268, while the sum is 33.

The square root of 971411109 is about 31167.4687615148. The cubic root of 971411109 is about 990.3780853616.

The spelling of 971411109 in words is "nine hundred seventy-one million, four hundred eleven thousand, one hundred nine".