2783672681 has 8 divisors (see below), whose sum is σ = 2905767744. Its totient is φ = 2661666480.

The previous prime is 2783672657. The next prime is 2783672693. The reversal of 2783672681 is 1862763872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2783672681 - 2¹⁸ = 2783410537 is a prime.

It is a super-2 number, since 2×2783672681² = 15497667189891455522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2783672581) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 46346 + ... + 87836.

It is an arithmetic number, because the mean of its divisors is an integer number (363220968).

Almost surely, 2^2783672681 is an apocalyptic number.

It is an amenable number.

2783672681 is a deficient number, since it is larger than the sum of its proper divisors (122095063).

2783672681 is a wasteful number, since it uses less digits than its factorization.

2783672681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44431.

The product of its digits is 1354752, while the sum is 50.

The square root of 2783672681 is about 52760.5219932479. The cubic root of 2783672681 is about 1406.7147970312.

The spelling of 2783672681 in words is "two billion, seven hundred eighty-three million, six hundred seventy-two thousand, six hundred eighty-one".