2556016453 has 8 divisors (see below), whose sum is σ = 2708935488. Its totient is φ = 2403382464.

The previous prime is 2556016451. The next prime is 2556016493. The reversal of 2556016453 is 3546106552.

2556016453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2556016453 - 2¹ = 2556016451 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 (2556016451) 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, 52651 + ... + 88792.

It is an arithmetic number, because the mean of its divisors is an integer number (338616936).

Almost surely, 2^2556016453 is an apocalyptic number.

It is an amenable number.

2556016453 is a deficient number, since it is larger than the sum of its proper divisors (152919035).

2556016453 is a wasteful number, since it uses less digits than its factorization.

2556016453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142523.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 2556016453 is about 50557.0613564515. The cubic root of 2556016453 is about 1367.2708296524.

Subtracting 2556016453 from its reverse (3546106552), we obtain a palindrome (990090099).

The spelling of 2556016453 in words is "two billion, five hundred fifty-six million, sixteen thousand, four hundred fifty-three".