2811406494 has 64 divisors (see below), whose sum is σ = 6124608000. Its totient is φ = 855211392.

The previous prime is 2811406487. The next prime is 2811406513. The reversal of 2811406494 is 4946041182.

2811406494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3783487 + ... + 3784229.

It is an arithmetic number, because the mean of its divisors is an integer number (95697000).

Almost surely, 2^2811406494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2811406494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3062304000).

2811406494 is an abundant number, since it is smaller than the sum of its proper divisors (3313201506).

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

2811406494 is a wasteful number, since it uses less digits than its factorization.

2811406494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2811406494 is about 53022.6979132522. The cubic root of 2811406494 is about 1411.3710811997.

The spelling of 2811406494 in words is "two billion, eight hundred eleven million, four hundred six thousand, four hundred ninety-four".