2101433645 has 16 divisors (see below), whose sum is σ = 2541853440. Its totient is φ = 1667766144.

The previous prime is 2101433603. The next prime is 2101433671. The reversal of 2101433645 is 5463341012.

It is a cyclic number.

It is not a de Polignac number, because 2101433645 - 2¹⁶ = 2101368109 is a prime.

It is a super-3 number, since 3×2101433645³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472904 + ... + 477326.

It is an arithmetic number, because the mean of its divisors is an integer number (158865840).

Almost surely, 2^2101433645 is an apocalyptic number.

It is an amenable number.

2101433645 is a deficient number, since it is larger than the sum of its proper divisors (440419795).

2101433645 is a wasteful number, since it uses less digits than its factorization.

2101433645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2101433645 is about 45841.3966301202. The cubic root of 2101433645 is about 1280.8705107484.

Adding to 2101433645 its reverse (5463341012), we get a palindrome (7564774657).

The spelling of 2101433645 in words is "two billion, one hundred one million, four hundred thirty-three thousand, six hundred forty-five".