2153704215 has 16 divisors (see below), whose sum is σ = 3710998368. Its totient is φ = 1060285056.

The previous prime is 2153704187. The next prime is 2153704243. The reversal of 2153704215 is 5124073512.

2153704215 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2153704187) and next prime (2153704243).

It is not a de Polignac number, because 2153704215 - 2¹⁷ = 2153573143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5522124 + ... + 5522513.

It is an arithmetic number, because the mean of its divisors is an integer number (231937398).

Almost surely, 2^2153704215 is an apocalyptic number.

2153704215 is a deficient number, since it is larger than the sum of its proper divisors (1557294153).

2153704215 is a wasteful number, since it uses less digits than its factorization.

2153704215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11044658.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2153704215 is about 46408.0188652780. The cubic root of 2153704215 is about 1291.4036790889.

Adding to 2153704215 its reverse (5124073512), we get a palindrome (7277777727).

The spelling of 2153704215 in words is "two billion, one hundred fifty-three million, seven hundred four thousand, two hundred fifteen".