2101433634 has 12 divisors (see below), whose sum is σ = 4553106246. Its totient is φ = 700477872.

The previous prime is 2101433603. The next prime is 2101433671. The reversal of 2101433634 is 4363341012.

2101433634 is a `hidden beast` number, since 2 + 10 + 14 + 3 + 3 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1307039409 + 794394225 = 36153^2 + 28185^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2101433598 and 2101433607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58373139 + ... + 58373174.

Almost surely, 2^2101433634 is an apocalyptic number.

2101433634 is an abundant number, since it is smaller than the sum of its proper divisors (2451672612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101433634 is a wasteful number, since it uses less digits than its factorization.

2101433634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116746321 (or 116746318 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2101433634 is about 45841.3965101414. The cubic root of 2101433634 is about 1280.8705085135.

Adding to 2101433634 its reverse (4363341012), we get a palindrome (6464774646).

The spelling of 2101433634 in words is "two billion, one hundred one million, four hundred thirty-three thousand, six hundred thirty-four".