2261894535 has 12 divisors (see below), whose sum is σ = 3920617272. Its totient is φ = 1206343728.

The previous prime is 2261894533. The next prime is 2261894549. The reversal of 2261894535 is 5354981622.

2261894535 is a `hidden beast` number, since 2 + 26 + 1 + 8 + 94 + 535 = 666.

It is not a de Polignac number, because 2261894535 - 2¹ = 2261894533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 50264323 = 2261894535 / (2 + 2 + 6 + 1 + 8 + 9 + 4 + 5 + 3 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261894533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25132117 + ... + 25132206.

It is an arithmetic number, because the mean of its divisors is an integer number (326718106).

Almost surely, 2^2261894535 is an apocalyptic number.

2261894535 is a deficient number, since it is larger than the sum of its proper divisors (1658722737).

2261894535 is a wasteful number, since it uses less digits than its factorization.

2261894535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50264334 (or 50264331 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 2261894535 is about 47559.3790434652. The cubic root of 2261894535 is about 1312.6757141619.

The spelling of 2261894535 in words is "two billion, two hundred sixty-one million, eight hundred ninety-four thousand, five hundred thirty-five".