2045606512 has 20 divisors (see below), whose sum is σ = 3965789080. Its totient is φ = 1022177088.

The previous prime is 2045606509. The next prime is 2045606533. The reversal of 2045606512 is 2156065402.

It is a super-2 number, since 2×2045606512² = 8369012003873612288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11598 + ... + 65005.

It is an arithmetic number, because the mean of its divisors is an integer number (198289454).

Almost surely, 2^2045606512 is an apocalyptic number.

It is an amenable number.

2045606512 is a deficient number, since it is larger than the sum of its proper divisors (1920182568).

2045606512 is a wasteful number, since it uses less digits than its factorization.

2045606512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78280 (or 78274 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2045606512 is about 45228.3817088341. The cubic root of 2045606512 is about 1269.4259318800.

The spelling of 2045606512 in words is "two billion, forty-five million, six hundred six thousand, five hundred twelve".