2100453033 has 16 divisors (see below), whose sum is σ = 3213152640. Its totient is φ = 1195585536.

The previous prime is 2100453023. The next prime is 2100453067. The reversal of 2100453033 is 3303540012.

It is not a de Polignac number, because 2100453033 - 2⁹ = 2100452521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2100453023) 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, 189198 + ... + 199991.

It is an arithmetic number, because the mean of its divisors is an integer number (200822040).

Almost surely, 2^2100453033 is an apocalyptic number.

It is an amenable number.

2100453033 is a deficient number, since it is larger than the sum of its proper divisors (1112699607).

2100453033 is a wasteful number, since it uses less digits than its factorization.

2100453033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389456.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2100453033 is about 45830.6996782724. The cubic root of 2100453033 is about 1280.6712448141.

Adding to 2100453033 its reverse (3303540012), we get a palindrome (5403993045).

The spelling of 2100453033 in words is "two billion, one hundred million, four hundred fifty-three thousand, thirty-three".