2745748213 has 16 divisors (see below), whose sum is σ = 3072627712. Its totient is φ = 2436480000.

The previous prime is 2745748199. The next prime is 2745748223. The reversal of 2745748213 is 3128475472.

It is a cyclic number.

It is not a de Polignac number, because 2745748213 - 2²⁹ = 2208877301 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 2745748213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745748223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38293 + ... + 83413.

It is an arithmetic number, because the mean of its divisors is an integer number (192039232).

Almost surely, 2^2745748213 is an apocalyptic number.

It is an amenable number.

2745748213 is a deficient number, since it is larger than the sum of its proper divisors (326879499).

2745748213 is a wasteful number, since it uses less digits than its factorization.

2745748213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45316.

The product of its digits is 376320, while the sum is 43.

The square root of 2745748213 is about 52399.8875285052. The cubic root of 2745748213 is about 1400.2972520182.

The spelling of 2745748213 in words is "two billion, seven hundred forty-five million, seven hundred forty-eight thousand, two hundred thirteen".