2913497856 has 144 divisors (see below), whose sum is σ = 8686182400. Its totient is φ = 963228672.

The previous prime is 2913497849. The next prime is 2913497857. The reversal of 2913497856 is 6587943192.

2913497856 is a `hidden beast` number, since 291 + 349 + 7 + 8 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2913497857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876165 + ... + 879483.

Almost surely, 2^2913497856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2913497856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4343091200).

2913497856 is an abundant number, since it is smaller than the sum of its proper divisors (5772684544).

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

2913497856 is a wasteful number, since it uses less digits than its factorization.

2913497856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471 (or 3451 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 2913497856 is about 53976.8270279015. The cubic root of 2913497856 is about 1428.2521975303.

The spelling of 2913497856 in words is "two billion, nine hundred thirteen million, four hundred ninety-seven thousand, eight hundred fifty-six".