2897631845 has 8 divisors (see below), whose sum is σ = 3589324800. Its totient is φ = 2243327760.

The previous prime is 2897631833. The next prime is 2897631853. The reversal of 2897631845 is 5481367982.

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

It is not a de Polignac number, because 2897631845 - 2¹² = 2897627749 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9347045 + ... + 9347354.

It is an arithmetic number, because the mean of its divisors is an integer number (448665600).

Almost surely, 2^2897631845 is an apocalyptic number.

It is an amenable number.

2897631845 is a deficient number, since it is larger than the sum of its proper divisors (691692955).

2897631845 is a wasteful number, since it uses less digits than its factorization.

2897631845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18694435.

The product of its digits is 2903040, while the sum is 53.

The square root of 2897631845 is about 53829.6558135012. The cubic root of 2897631845 is about 1425.6548700302.

The spelling of 2897631845 in words is "two billion, eight hundred ninety-seven million, six hundred thirty-one thousand, eight hundred forty-five".