2261681362 has 16 divisors (see below), whose sum is σ = 3439837440. Its totient is φ = 1115105472.

The previous prime is 2261681339. The next prime is 2261681453. The reversal of 2261681362 is 2631861622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121338 + ... + 138730.

It is an arithmetic number, because the mean of its divisors is an integer number (214989840).

Almost surely, 2^2261681362 is an apocalyptic number.

2261681362 is a deficient number, since it is larger than the sum of its proper divisors (1178156078).

2261681362 is a wasteful number, since it uses less digits than its factorization.

2261681362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18297.

The product of its digits is 41472, while the sum is 37.

The square root of 2261681362 is about 47557.1378659397. The cubic root of 2261681362 is about 1312.6344750137.

The spelling of 2261681362 in words is "two billion, two hundred sixty-one million, six hundred eighty-one thousand, three hundred sixty-two".