2291249403 has 32 divisors (see below), whose sum is σ = 3453542400. Its totient is φ = 1501089408.

The previous prime is 2291249393. The next prime is 2291249407. The reversal of 2291249403 is 3049421922.

2291249403 is a `hidden beast` number, since 2 + 2 + 9 + 1 + 249 + 403 = 666.

It is not a de Polignac number, because 2291249403 - 2³⁰ = 1217507579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2291249407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473251 + ... + 478067.

It is an arithmetic number, because the mean of its divisors is an integer number (107923200).

Almost surely, 2^2291249403 is an apocalyptic number.

2291249403 is a deficient number, since it is larger than the sum of its proper divisors (1162292997).

2291249403 is a wasteful number, since it uses less digits than its factorization.

2291249403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128 (or 5122 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2291249403 is about 47866.9970125555. The cubic root of 2291249403 is about 1318.3299592660.

The spelling of 2291249403 in words is "two billion, two hundred ninety-one million, two hundred forty-nine thousand, four hundred three".