2549355399359 has 4 divisors (see below), whose sum is σ = 2549358592704. Its totient is φ = 2549352206016.

The previous prime is 2549355399347. The next prime is 2549355399361. The reversal of 2549355399359 is 9539935539452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2549355399359 - 2⁴ = 2549355399343 is a prime.

It is a super-2 number, since 2×2549355399359² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2549355399292 and 2549355399301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549355399379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794639 + ... + 2393775.

It is an arithmetic number, because the mean of its divisors is an integer number (637339648176).

Almost surely, 2^{2549355399359} is an apocalyptic number.

2549355399359 is a deficient number, since it is larger than the sum of its proper divisors (3193345).

2549355399359 is a wasteful number, since it uses less digits than its factorization.

2549355399359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193344.

The product of its digits is 885735000, while the sum is 71.

The spelling of 2549355399359 in words is "two trillion, five hundred forty-nine billion, three hundred fifty-five million, three hundred ninety-nine thousand, three hundred fifty-nine".