2153450505 has 16 divisors (see below), whose sum is σ = 3538643904. Its totient is φ = 1117465920.

The previous prime is 2153450489. The next prime is 2153450527. The reversal of 2153450505 is 5050543512.

It is a happy number.

It is not a de Polignac number, because 2153450505 - 2⁴ = 2153450489 is a prime.

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, 1939491 + ... + 1940600.

It is an arithmetic number, because the mean of its divisors is an integer number (221165244).

Almost surely, 2^2153450505 is an apocalyptic number.

It is an amenable number.

2153450505 is a deficient number, since it is larger than the sum of its proper divisors (1385193399).

2153450505 is a wasteful number, since it uses less digits than its factorization.

2153450505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880136.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2153450505 is about 46405.2853132054. The cubic root of 2153450505 is about 1291.3529672515.

The spelling of 2153450505 in words is "two billion, one hundred fifty-three million, four hundred fifty thousand, five hundred five".