2135444615 has 32 divisors (see below), whose sum is σ = 2667107520. Its totient is φ = 1640217600.

The previous prime is 2135444539. The next prime is 2135444639. The reversal of 2135444615 is 5164445312.

It is not a de Polignac number, because 2135444615 - 2¹² = 2135440519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5072105 + ... + 5072525.

It is an arithmetic number, because the mean of its divisors is an integer number (83347110).

Almost surely, 2^2135444615 is an apocalyptic number.

2135444615 is a deficient number, since it is larger than the sum of its proper divisors (531662905).

2135444615 is a wasteful number, since it uses less digits than its factorization.

2135444615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803.

The product of its digits is 57600, while the sum is 35.

The square root of 2135444615 is about 46210.8711776785. The cubic root of 2135444615 is about 1287.7437102985.

Adding to 2135444615 its reverse (5164445312), we get a palindrome (7299889927).

The spelling of 2135444615 in words is "two billion, one hundred thirty-five million, four hundred forty-four thousand, six hundred fifteen".