2662768354 has 4 divisors (see below), whose sum is σ = 3994152534. Its totient is φ = 1331384176.

The previous prime is 2662768349. The next prime is 2662768369. The reversal of 2662768354 is 4538672662.

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., 2433942225 + 228826129 = 49335^2 + 15127^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2662768298 and 2662768307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665692087 + ... + 665692090.

Almost surely, 2^2662768354 is an apocalyptic number.

2662768354 is a deficient number, since it is larger than the sum of its proper divisors (1331384180).

2662768354 is a wasteful number, since it uses less digits than its factorization.

2662768354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331384179.

The product of its digits is 2903040, while the sum is 49.

The square root of 2662768354 is about 51602.0188946130. The cubic root of 2662768354 is about 1386.0464843958.

The spelling of 2662768354 in words is "two billion, six hundred sixty-two million, seven hundred sixty-eight thousand, three hundred fifty-four".