2631446994 has 64 divisors (see below), whose sum is σ = 5894622720. Its totient is φ = 776208000.

The previous prime is 2631446941. The next prime is 2631446999. The reversal of 2631446994 is 4996441362.

2631446994 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2631446999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1674229 + ... + 1675799.

It is an arithmetic number, because the mean of its divisors is an integer number (92103480).

Almost surely, 2^2631446994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2631446994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2947311360).

2631446994 is an abundant number, since it is smaller than the sum of its proper divisors (3263175726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2631446994 is a wasteful number, since it uses less digits than its factorization.

2631446994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its digits is 1119744, while the sum is 48.

The square root of 2631446994 is about 51297.6314657899. The cubic root of 2631446994 is about 1380.5904834939.

The spelling of 2631446994 in words is "two billion, six hundred thirty-one million, four hundred forty-six thousand, nine hundred ninety-four".