2745743615 has 8 divisors (see below), whose sum is σ = 3326882208. Its totient is φ = 2175268320.

The previous prime is 2745743597. The next prime is 2745743621. The reversal of 2745743615 is 5163475472.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2745743615 - 2⁶ = 2745743551 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2665256 + ... + 2666285.

It is an arithmetic number, because the mean of its divisors is an integer number (415860276).

Almost surely, 2^2745743615 is an apocalyptic number.

2745743615 is a deficient number, since it is larger than the sum of its proper divisors (581138593).

2745743615 is a wasteful number, since it uses less digits than its factorization.

2745743615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331649.

The product of its digits is 705600, while the sum is 44.

The square root of 2745743615 is about 52399.8436543469. The cubic root of 2745743615 is about 1400.2964703769.

The spelling of 2745743615 in words is "two billion, seven hundred forty-five million, seven hundred forty-three thousand, six hundred fifteen".