2758216745 has 8 divisors (see below), whose sum is σ = 3319081920. Its totient is φ = 2200425520.

The previous prime is 2758216693. The next prime is 2758216771. The reversal of 2758216745 is 5476128572.

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

It is a de Polignac number, because none of the positive numbers 2^k-2758216745 is a prime.

It is a super-2 number, since 2×2758216745² = 15215519224796790050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2758216745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766511 + ... + 770100.

It is an arithmetic number, because the mean of its divisors is an integer number (414885240).

Almost surely, 2^2758216745 is an apocalyptic number.

It is an amenable number.

2758216745 is a deficient number, since it is larger than the sum of its proper divisors (560865175).

2758216745 is a wasteful number, since it uses less digits than its factorization.

2758216745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536975.

The product of its digits is 940800, while the sum is 47.

The square root of 2758216745 is about 52518.7275645555. The cubic root of 2758216745 is about 1402.4136501648.

The spelling of 2758216745 in words is "two billion, seven hundred fifty-eight million, two hundred sixteen thousand, seven hundred forty-five".