2012797643 has 8 divisors (see below), whose sum is σ = 2105719200. Its totient is φ = 1920326848.

The previous prime is 2012797613. The next prime is 2012797687. The reversal of 2012797643 is 3467972102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012797643 - 2¹² = 2012793547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012797643.

It is not an unprimeable number, because it can be changed into a prime (2012797613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103538 + ... + 121431.

It is an arithmetic number, because the mean of its divisors is an integer number (263214900).

Almost surely, 2^2012797643 is an apocalyptic number.

2012797643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2012797643 is a deficient number, since it is larger than the sum of its proper divisors (92921557).

2012797643 is a wasteful number, since it uses less digits than its factorization.

2012797643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225381.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2012797643 is about 44864.2133888470. The cubic root of 2012797643 is about 1262.6026748898.

The spelling of 2012797643 in words is "two billion, twelve million, seven hundred ninety-seven thousand, six hundred forty-three".