2556352321337 has 8 divisors (see below), whose sum is σ = 2706820162632. Its totient is φ = 2405894944000.

The previous prime is 2556352321333. The next prime is 2556352321343. The reversal of 2556352321337 is 7331232536552.

It can be written as a sum of positive squares in 4 ways, for example, as 2393391549481 + 162960771856 = 1547059^2 + 403684^2 .

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

It is not a de Polignac number, because 2556352321337 - 2² = 2556352321333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2556352321291 and 2556352321300.

It is not an unprimeable number, because it can be changed into a prime (2556352321331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110214 + ... + 3092847.

It is an arithmetic number, because the mean of its divisors is an integer number (338352520329).

Almost surely, 2^{2556352321337} is an apocalyptic number.

It is an amenable number.

2556352321337 is a deficient number, since it is larger than the sum of its proper divisors (150467841295).

2556352321337 is a wasteful number, since it uses less digits than its factorization.

2556352321337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231979.

The product of its digits is 3402000, while the sum is 47.

Adding to 2556352321337 its reverse (7331232536552), we get a palindrome (9887584857889).

The spelling of 2556352321337 in words is "two trillion, five hundred fifty-six billion, three hundred fifty-two million, three hundred twenty-one thousand, three hundred thirty-seven".