2745343645 has 8 divisors (see below), whose sum is σ = 3593904480. Its totient is φ = 1996613520.

The previous prime is 2745343639. The next prime is 2745343681. The reversal of 2745343645 is 5463435472.

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

It is not a de Polignac number, because 2745343645 - 2¹⁷ = 2745212573 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24957615 + ... + 24957724.

It is an arithmetic number, because the mean of its divisors is an integer number (449238060).

Almost surely, 2^2745343645 is an apocalyptic number.

It is an amenable number.

2745343645 is a deficient number, since it is larger than the sum of its proper divisors (848560835).

2745343645 is a wasteful number, since it uses less digits than its factorization.

2745343645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49915355.

The product of its digits is 1209600, while the sum is 43.

The square root of 2745343645 is about 52396.0269963286. The cubic root of 2745343645 is about 1400.2284737665.

The spelling of 2745343645 in words is "two billion, seven hundred forty-five million, three hundred forty-three thousand, six hundred forty-five".