2684781142 has 4 divisors (see below), whose sum is σ = 4027171716. Its totient is φ = 1342390570.

The previous prime is 2684781107. The next prime is 2684781167. The reversal of 2684781142 is 2411874862.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671195284 + ... + 671195287.

It is an arithmetic number, because the mean of its divisors is an integer number (1006792929).

Almost surely, 2^2684781142 is an apocalyptic number.

2684781142 is a deficient number, since it is larger than the sum of its proper divisors (1342390574).

2684781142 is a wasteful number, since it uses less digits than its factorization.

2684781142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342390573.

The product of its digits is 172032, while the sum is 43.

The square root of 2684781142 is about 51814.8737526205. The cubic root of 2684781142 is about 1389.8554344760.

The spelling of 2684781142 in words is "two billion, six hundred eighty-four million, seven hundred eighty-one thousand, one hundred forty-two".