2291415415 has 4 divisors (see below), whose sum is σ = 2749698504. Its totient is φ = 1833132328.

The previous prime is 2291415377. The next prime is 2291415419. The reversal of 2291415415 is 5145141922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2291415415 - 2²¹ = 2289318263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291415419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229141537 + ... + 229141546.

It is an arithmetic number, because the mean of its divisors is an integer number (687424626).

Almost surely, 2^2291415415 is an apocalyptic number.

2291415415 is a deficient number, since it is larger than the sum of its proper divisors (458283089).

2291415415 is an equidigital number, since it uses as much as digits as its factorization.

2291415415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458283088.

The product of its digits is 14400, while the sum is 34.

The square root of 2291415415 is about 47868.7310778132. The cubic root of 2291415415 is about 1318.3617982715.

The spelling of 2291415415 in words is "two billion, two hundred ninety-one million, four hundred fifteen thousand, four hundred fifteen".