2366381890 has 16 divisors (see below), whose sum is σ = 4272361920. Its totient is φ = 943691760.

The previous prime is 2366381867. The next prime is 2366381893. The reversal of 2366381890 is 981836632.

It is a self number, because there is not a number n which added to its sum of digits gives 2366381890.

It is not an unprimeable number, because it can be changed into a prime (2366381893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354150 + ... + 360769.

It is an arithmetic number, because the mean of its divisors is an integer number (267022620).

Almost surely, 2^2366381890 is an apocalyptic number.

2366381890 is a deficient number, since it is larger than the sum of its proper divisors (1905980030).

2366381890 is a wasteful number, since it uses less digits than its factorization.

2366381890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715257.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 2366381890 is about 48645.4714233504. The cubic root of 2366381890 is about 1332.5850734228.

The spelling of 2366381890 in words is "two billion, three hundred sixty-six million, three hundred eighty-one thousand, eight hundred ninety".