2045923946 has 8 divisors (see below), whose sum is σ = 3347875584. Its totient is φ = 929965420.

The previous prime is 2045923793. The next prime is 2045924039. The reversal of 2045923946 is 6493295402.

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

It is a junction number, because it is equal to n+sod(n) for n = 2045923897 and 2045923906.

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 in 3 ways as a sum of consecutive naturals, for example, 46498250 + ... + 46498293.

It is an arithmetic number, because the mean of its divisors is an integer number (418484448).

Almost surely, 2^2045923946 is an apocalyptic number.

2045923946 is a deficient number, since it is larger than the sum of its proper divisors (1301951638).

2045923946 is a wasteful number, since it uses less digits than its factorization.

2045923946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92996556.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 2045923946 is about 45231.8908072612. The cubic root of 2045923946 is about 1269.4915909901.

The spelling of 2045923946 in words is "two billion, forty-five million, nine hundred twenty-three thousand, nine hundred forty-six".