2261741906 has 4 divisors (see below), whose sum is σ = 3392612862. Its totient is φ = 1130870952.

The previous prime is 2261741879. The next prime is 2261741921. The reversal of 2261741906 is 6091471622.

2261741906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 1965592225 + 296149681 = 44335^2 + 17209^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2261741906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565435475 + ... + 565435478.

Almost surely, 2^2261741906 is an apocalyptic number.

2261741906 is a deficient number, since it is larger than the sum of its proper divisors (1130870956).

2261741906 is a wasteful number, since it uses less digits than its factorization.

2261741906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130870955.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2261741906 is about 47557.7744012480. The cubic root of 2261741906 is about 1312.6461877501.

The spelling of 2261741906 in words is "two billion, two hundred sixty-one million, seven hundred forty-one thousand, nine hundred six".