2656533453 has 16 divisors (see below), whose sum is σ = 4053219840. Its totient is φ = 1516080816.

The previous prime is 2656533443. The next prime is 2656533479. The reversal of 2656533453 is 3543356562.

It is not a de Polignac number, because 2656533453 - 2¹² = 2656529357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656533403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63843 + ... + 96896.

It is an arithmetic number, because the mean of its divisors is an integer number (253326240).

Almost surely, 2^2656533453 is an apocalyptic number.

It is an amenable number.

2656533453 is a deficient number, since it is larger than the sum of its proper divisors (1396686387).

2656533453 is a wasteful number, since it uses less digits than its factorization.

2656533453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161536.

The product of its digits is 972000, while the sum is 42.

The square root of 2656533453 is about 51541.5701448840. The cubic root of 2656533453 is about 1384.9638246404.

The spelling of 2656533453 in words is "two billion, six hundred fifty-six million, five hundred thirty-three thousand, four hundred fifty-three".