2291649512 has 16 divisors (see below), whose sum is σ = 4297738500. Its totient is φ = 1145585920.

The previous prime is 2291649511. The next prime is 2291649533. The reversal of 2291649512 is 2159461922.

2291649512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1922471716 + 369177796 = 43846^2 + 19214^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2291649512.

It is not an unprimeable number, because it can be changed into a prime (2291649511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14864 + ... + 69312.

Almost surely, 2^2291649512 is an apocalyptic number.

It is an amenable number.

2291649512 is a deficient number, since it is larger than the sum of its proper divisors (2006088988).

2291649512 is a wasteful number, since it uses less digits than its factorization.

2291649512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59716 (or 59712 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 2291649512 is about 47871.1762128319. The cubic root of 2291649512 is about 1318.4066925074.

The spelling of 2291649512 in words is "two billion, two hundred ninety-one million, six hundred forty-nine thousand, five hundred twelve".