2135566473 has 8 divisors (see below), whose sum is σ = 2883465600. Its totient is φ = 1405689168.

The previous prime is 2135566463. The next prime is 2135566501. The reversal of 2135566473 is 3746655312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2135566473 - 2⁴ = 2135566457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2135566463) 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, 4505178 + ... + 4505651.

It is an arithmetic number, because the mean of its divisors is an integer number (360433200).

Almost surely, 2^2135566473 is an apocalyptic number.

It is an amenable number.

2135566473 is a deficient number, since it is larger than the sum of its proper divisors (747899127).

2135566473 is an equidigital number, since it uses as much as digits as its factorization.

2135566473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010911.

The product of its digits is 453600, while the sum is 42.

The square root of 2135566473 is about 46212.1896581411. The cubic root of 2135566473 is about 1287.7682046336.

The spelling of 2135566473 in words is "two billion, one hundred thirty-five million, five hundred sixty-six thousand, four hundred seventy-three".