2153238410 has 32 divisors (see below), whose sum is σ = 4015040400. Its totient is φ = 830832640.

The previous prime is 2153238397. The next prime is 2153238419. The reversal of 2153238410 is 148323512.

It is a happy number.

It is a Cunningham number, because it is equal to 46403²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 103774969 + 2049463441 = 10187^2 + 45271^2 .

It is not an unprimeable number, because it can be changed into a prime (2153238419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6986 + ... + 65994.

Almost surely, 2^2153238410 is an apocalyptic number.

2153238410 is a deficient number, since it is larger than the sum of its proper divisors (1861801990).

2153238410 is a wasteful number, since it uses less digits than its factorization.

2153238410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59146.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2153238410 is about 46403.0000107752. Note that the first 4 decimals coincide. The cubic root of 2153238410 is about 1291.3105704099.

The spelling of 2153238410 in words is "two billion, one hundred fifty-three million, two hundred thirty-eight thousand, four hundred ten".