2945808518399 has 8 divisors (see below), whose sum is σ = 2958850702080. Its totient is φ = 2932766905816.

The previous prime is 2945808518371. The next prime is 2945808518441. The reversal of 2945808518399 is 9938158085492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2945808518399 is a prime.

It is a super-2 number, since 2×2945808518399² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945808518309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12775472 + ... + 13004010.

It is an arithmetic number, because the mean of its divisors is an integer number (369856337760).

Almost surely, 2^{2945808518399} is an apocalyptic number.

2945808518399 is a deficient number, since it is larger than the sum of its proper divisors (13042183681).

2945808518399 is a wasteful number, since it uses less digits than its factorization.

2945808518399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285549.

The product of its (nonzero) digits is 223948800, while the sum is 71.

The spelling of 2945808518399 in words is "two trillion, nine hundred forty-five billion, eight hundred eight million, five hundred eighteen thousand, three hundred ninety-nine".