2912645823 has 8 divisors (see below), whose sum is σ = 3919822848. Its totient is φ = 1923616344.

The previous prime is 2912645821. The next prime is 2912645839. The reversal of 2912645823 is 3285462192.

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

It is not a de Polignac number, because 2912645823 - 2¹ = 2912645821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2912645821) 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, 4536511 + ... + 4537152.

It is an arithmetic number, because the mean of its divisors is an integer number (489977856).

Almost surely, 2^2912645823 is an apocalyptic number.

2912645823 is a deficient number, since it is larger than the sum of its proper divisors (1007177025).

2912645823 is a wasteful number, since it uses less digits than its factorization.

2912645823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9073773.

The product of its digits is 207360, while the sum is 42.

The square root of 2912645823 is about 53968.9338694031. The cubic root of 2912645823 is about 1428.1129563489.

The spelling of 2912645823 in words is "two billion, nine hundred twelve million, six hundred forty-five thousand, eight hundred twenty-three".