2348720909569 has 4 divisors (see below), whose sum is σ = 2364484137300. Its totient is φ = 2332957681840.

The previous prime is 2348720909519. The next prime is 2348720909603. The reversal of 2348720909569 is 9659090278432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1479373527025 + 869347382544 = 1216295^2 + 932388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2348720909569 - 2¹⁷ = 2348720778497 is a prime.

It is a super-2 number, since 2×2348720909569² (a number of 26 digits) contains 22 as substring.

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 2348720909569.

It is not an unprimeable number, because it can be changed into a prime (2348720909519) by changing a digit.

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, 7881613642 + ... + 7881613939.

It is an arithmetic number, because the mean of its divisors is an integer number (591121034325).

Almost surely, 2^{2348720909569} is an apocalyptic number.

It is an amenable number.

2348720909569 is a deficient number, since it is larger than the sum of its proper divisors (15763227731).

2348720909569 is a wasteful number, since it uses less digits than its factorization.

2348720909569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15763227730.

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 2348720909569 in words is "two trillion, three hundred forty-eight billion, seven hundred twenty million, nine hundred nine thousand, five hundred sixty-nine".