2646244274 has 4 divisors (see below), whose sum is σ = 3969366414. Its totient is φ = 1323122136.

The previous prime is 2646244273. The next prime is 2646244301. The reversal of 2646244274 is 4724426462.

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., 2505703249 + 140541025 = 50057^2 + 11855^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2646244273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661561067 + ... + 661561070.

Almost surely, 2^2646244274 is an apocalyptic number.

2646244274 is a deficient number, since it is larger than the sum of its proper divisors (1323122140).

2646244274 is a wasteful number, since it uses less digits than its factorization.

2646244274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323122139.

The product of its digits is 516096, while the sum is 41.

The square root of 2646244274 is about 51441.6589351471. The cubic root of 2646244274 is about 1383.1734490333.

The spelling of 2646244274 in words is "two billion, six hundred forty-six million, two hundred forty-four thousand, two hundred seventy-four".