2105257633 has 8 divisors (see below), whose sum is σ = 2119987328. Its totient is φ = 2090550384.

The previous prime is 2105257603. The next prime is 2105257711. The reversal of 2105257633 is 3367525012.

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 2105257633 - 2⁵ = 2105257601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105257603) 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, 211435 + ... + 221167.

It is an arithmetic number, because the mean of its divisors is an integer number (264998416).

Almost surely, 2^2105257633 is an apocalyptic number.

It is an amenable number.

2105257633 is a deficient number, since it is larger than the sum of its proper divisors (14729695).

2105257633 is a wasteful number, since it uses less digits than its factorization.

2105257633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 2105257633 is about 45883.0865679283. The cubic root of 2105257633 is about 1281.6469751847.

The spelling of 2105257633 in words is "two billion, one hundred five million, two hundred fifty-seven thousand, six hundred thirty-three".