2668844282402 has 4 divisors (see below), whose sum is σ = 4003266423606. Its totient is φ = 1334422141200.

The previous prime is 2668844282371. The next prime is 2668844282417. The reversal of 2668844282402 is 2042824488662.

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., 2597773521121 + 71070761281 = 1611761^2 + 266591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667211070599 + ... + 667211070602.

Almost surely, 2^{2668844282402} is an apocalyptic number.

2668844282402 is a deficient number, since it is larger than the sum of its proper divisors (1334422141204).

2668844282402 is a wasteful number, since it uses less digits than its factorization.

2668844282402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334422141203.

The product of its (nonzero) digits is 18874368, while the sum is 56.

The spelling of 2668844282402 in words is "two trillion, six hundred sixty-eight billion, eight hundred forty-four million, two hundred eighty-two thousand, four hundred two".