3055781893 has 4 divisors (see below), whose sum is σ = 3055978828. Its totient is φ = 3055584960.

The previous prime is 3055781887. The next prime is 3055781899. The reversal of 3055781893 is 3981875503.

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

It is an interprime number because it is at equal distance from previous prime (3055781887) and next prime (3055781899).

It can be written as a sum of positive squares in 2 ways, for example, as 2992308804 + 63473089 = 54702^2 + 7967^2 .

It is a cyclic number.

It is not a de Polignac number, because 3055781893 - 2¹³ = 3055773701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3055781899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72996 + ... + 106957.

It is an arithmetic number, because the mean of its divisors is an integer number (763994707).

Almost surely, 2^3055781893 is an apocalyptic number.

It is an amenable number.

3055781893 is a deficient number, since it is larger than the sum of its proper divisors (196935).

3055781893 is a wasteful number, since it uses less digits than its factorization.

3055781893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196934.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 3055781893 is about 55279.1271005612. The cubic root of 3055781893 is about 1451.1337772226.

The spelling of 3055781893 in words is "three billion, fifty-five million, seven hundred eighty-one thousand, eight hundred ninety-three".