2142563266 has 16 divisors (see below), whose sum is σ = 3315945600. Its totient is φ = 1037760048.

The previous prime is 2142563263. The next prime is 2142563299. The reversal of 2142563266 is 6623652412.

It is not an unprimeable number, because it can be changed into a prime (2142563263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119556 + ... + 136303.

It is an arithmetic number, because the mean of its divisors is an integer number (207246600).

Almost surely, 2^2142563266 is an apocalyptic number.

2142563266 is a deficient number, since it is larger than the sum of its proper divisors (1173382334).

2142563266 is a wasteful number, since it uses less digits than its factorization.

2142563266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255993.

The product of its digits is 103680, while the sum is 37.

The square root of 2142563266 is about 46287.8306469422. The cubic root of 2142563266 is about 1289.1730505145.

The spelling of 2142563266 in words is "two billion, one hundred forty-two million, five hundred sixty-three thousand, two hundred sixty-six".