2182818046 has 4 divisors (see below), whose sum is σ = 3274227072. Its totient is φ = 1091409022.

The previous prime is 2182818031. The next prime is 2182818047. The reversal of 2182818046 is 6408182812.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182818047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545704510 + ... + 545704513.

It is an arithmetic number, because the mean of its divisors is an integer number (818556768).

Almost surely, 2^2182818046 is an apocalyptic number.

2182818046 is a deficient number, since it is larger than the sum of its proper divisors (1091409026).

2182818046 is a wasteful number, since it uses less digits than its factorization.

2182818046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091409025.

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 2182818046 is about 46720.6383303996. The cubic root of 2182818046 is about 1297.1967298951.

The spelling of 2182818046 in words is "two billion, one hundred eighty-two million, eight hundred eighteen thousand, forty-six".