2012650645 has 8 divisors (see below), whose sum is σ = 2419086240. Its totient is φ = 1607516880.

The previous prime is 2012650637. The next prime is 2012650709. The reversal of 2012650645 is 5460562102.

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

It is not a de Polignac number, because 2012650645 - 2³ = 2012650637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322051 + ... + 328240.

It is an arithmetic number, because the mean of its divisors is an integer number (302385780).

Almost surely, 2^2012650645 is an apocalyptic number.

It is an amenable number.

2012650645 is a deficient number, since it is larger than the sum of its proper divisors (406435595).

2012650645 is an equidigital number, since it uses as much as digits as its factorization.

2012650645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650915.

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

The square root of 2012650645 is about 44862.5751044231. The cubic root of 2012650645 is about 1262.5719374753.

The spelling of 2012650645 in words is "two billion, twelve million, six hundred fifty thousand, six hundred forty-five".