2153206246 has 8 divisors (see below), whose sum is σ = 3333996864. Its totient is φ = 1041873960.

The previous prime is 2153206241. The next prime is 2153206309. The reversal of 2153206246 is 6426023512.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153206241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17364505 + ... + 17364628.

It is an arithmetic number, because the mean of its divisors is an integer number (416749608).

Almost surely, 2^2153206246 is an apocalyptic number.

2153206246 is a deficient number, since it is larger than the sum of its proper divisors (1180790618).

2153206246 is a wasteful number, since it uses less digits than its factorization.

2153206246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34729166.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2153206246 is about 46402.6534370611. The cubic root of 2153206246 is about 1291.3041407270.

Adding to 2153206246 its reverse (6426023512), we get a palindrome (8579229758).

The spelling of 2153206246 in words is "two billion, one hundred fifty-three million, two hundred six thousand, two hundred forty-six".