2179534653 has 12 divisors (see below), whose sum is σ = 3156441600. Its totient is φ = 1449227016.

The previous prime is 2179534627. The next prime is 2179534663. The reversal of 2179534653 is 3564359712.

2179534653 is a `hidden beast` number, since 217 + 95 + 346 + 5 + 3 = 666.

2179534653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2179534653 - 2¹² = 2179530557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2179534599 and 2179534608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179534603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312703 + ... + 319596.

It is an arithmetic number, because the mean of its divisors is an integer number (263036800).

Almost surely, 2^2179534653 is an apocalyptic number.

It is an amenable number.

2179534653 is a deficient number, since it is larger than the sum of its proper divisors (976906947).

2179534653 is a wasteful number, since it uses less digits than its factorization.

2179534653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632688 (or 632685 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 2179534653 is about 46685.4865348965. The cubic root of 2179534653 is about 1296.5459894418.

The spelling of 2179534653 in words is "two billion, one hundred seventy-nine million, five hundred thirty-four thousand, six hundred fifty-three".