2783401893 has 16 divisors (see below), whose sum is σ = 4126616640. Its totient is φ = 1854225072.

The previous prime is 2783401847. The next prime is 2783401919. The reversal of 2783401893 is 3981043872.

It is not a de Polignac number, because 2783401893 - 2¹² = 2783397797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783401813) 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 15 ways as a sum of consecutive naturals, for example, 471 + ... + 74612.

It is an arithmetic number, because the mean of its divisors is an integer number (257913540).

Almost surely, 2^2783401893 is an apocalyptic number.

It is an amenable number.

2783401893 is a deficient number, since it is larger than the sum of its proper divisors (1343214747).

2783401893 is a wasteful number, since it uses less digits than its factorization.

2783401893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76465 (or 76459 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2783401893 is about 52757.9557318136. The cubic root of 2783401893 is about 1406.6691817736.

The spelling of 2783401893 in words is "two billion, seven hundred eighty-three million, four hundred one thousand, eight hundred ninety-three".