2556432413 has 8 divisors (see below), whose sum is σ = 2627461632. Its totient is φ = 2486096496.

The previous prime is 2556432407. The next prime is 2556432427. The reversal of 2556432413 is 3142346552.

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

It is a cyclic number.

It is not a de Polignac number, because 2556432413 - 2¹² = 2556428317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556432113) 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, 165845 + ... + 180602.

It is an arithmetic number, because the mean of its divisors is an integer number (328432704).

Almost surely, 2^2556432413 is an apocalyptic number.

It is an amenable number.

2556432413 is a deficient number, since it is larger than the sum of its proper divisors (71029219).

2556432413 is a wasteful number, since it uses less digits than its factorization.

2556432413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346651.

The product of its digits is 86400, while the sum is 35.

The square root of 2556432413 is about 50561.1749566800. The cubic root of 2556432413 is about 1367.3449944236.

Adding to 2556432413 its reverse (3142346552), we get a palindrome (5698778965).

The spelling of 2556432413 in words is "two billion, five hundred fifty-six million, four hundred thirty-two thousand, four hundred thirteen".