2745458615 has 4 divisors (see below), whose sum is σ = 3294550344. Its totient is φ = 2196366888.

The previous prime is 2745458591. The next prime is 2745458629. The reversal of 2745458615 is 5168545472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2745458615 - 2¹⁰ = 2745457591 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 2745458615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274545857 + ... + 274545866.

It is an arithmetic number, because the mean of its divisors is an integer number (823637586).

Almost surely, 2^2745458615 is an apocalyptic number.

2745458615 is a deficient number, since it is larger than the sum of its proper divisors (549091729).

2745458615 is an equidigital number, since it uses as much as digits as its factorization.

2745458615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549091728.

The product of its digits is 1344000, while the sum is 47.

The square root of 2745458615 is about 52397.1241100120. The cubic root of 2745458615 is about 1400.2480198345.

The spelling of 2745458615 in words is "two billion, seven hundred forty-five million, four hundred fifty-eight thousand, six hundred fifteen".