2046181738 has 4 divisors (see below), whose sum is σ = 3069272610. Its totient is φ = 1023090868.

The previous prime is 2046181717. The next prime is 2046181747. The reversal of 2046181738 is 8371816402.

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

It can be written as a sum of positive squares in only one way, i.e., 1692252769 + 353928969 = 41137^2 + 18813^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2046181738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511545433 + ... + 511545436.

Almost surely, 2^2046181738 is an apocalyptic number.

2046181738 is a deficient number, since it is larger than the sum of its proper divisors (1023090872).

2046181738 is a wasteful number, since it uses less digits than its factorization.

2046181738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023090871.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 2046181738 is about 45234.7403883343. The cubic root of 2046181738 is about 1269.5449085523.

The spelling of 2046181738 in words is "two billion, forty-six million, one hundred eighty-one thousand, seven hundred thirty-eight".