2991268573 has 4 divisors (see below), whose sum is σ = 2991574528. Its totient is φ = 2990962620.

The previous prime is 2991268547. The next prime is 2991268619. The reversal of 2991268573 is 3758621992.

2991268573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2991268573 - 2⁹ = 2991268061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2991268573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991268543) 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, 137811 + ... + 158032.

It is an arithmetic number, because the mean of its divisors is an integer number (747893632).

Almost surely, 2^2991268573 is an apocalyptic number.

It is an amenable number.

2991268573 is a deficient number, since it is larger than the sum of its proper divisors (305955).

2991268573 is a wasteful number, since it uses less digits than its factorization.

2991268573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305954.

The product of its digits is 1632960, while the sum is 52.

The square root of 2991268573 is about 54692.4910111068. The cubic root of 2991268573 is about 1440.8489998921.

The spelling of 2991268573 in words is "two billion, nine hundred ninety-one million, two hundred sixty-eight thousand, five hundred seventy-three".