2093162781 has 8 divisors (see below), whose sum is σ = 2795988064. Its totient is φ = 1392889680.

The previous prime is 2093162777. The next prime is 2093162789. The reversal of 2093162781 is 1872613902.

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

It is not a de Polignac number, because 2093162781 - 2² = 2093162777 is a prime.

It is a super-2 number, since 2×2093162781² = 8762660855527307922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2093162789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636130 + ... + 639411.

It is an arithmetic number, because the mean of its divisors is an integer number (349498508).

Almost surely, 2^2093162781 is an apocalyptic number.

It is an amenable number.

2093162781 is a deficient number, since it is larger than the sum of its proper divisors (702825283).

2093162781 is a wasteful number, since it uses less digits than its factorization.

2093162781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276091.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2093162781 is about 45751.0959540862. The cubic root of 2093162781 is about 1279.1878761561.

The spelling of 2093162781 in words is "two billion, ninety-three million, one hundred sixty-two thousand, seven hundred eighty-one".