2132611465 has 16 divisors (see below), whose sum is σ = 2594174976. Its totient is φ = 1682856000.

The previous prime is 2132611421. The next prime is 2132611469. The reversal of 2132611465 is 5641162312.

It is a happy number.

It is not a de Polignac number, because 2132611465 - 2¹³ = 2132603273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132611469) 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, 129064 + ... + 144646.

It is an arithmetic number, because the mean of its divisors is an integer number (162135936).

Almost surely, 2^2132611465 is an apocalyptic number.

It is an amenable number.

2132611465 is a deficient number, since it is larger than the sum of its proper divisors (461563511).

2132611465 is a wasteful number, since it uses less digits than its factorization.

2132611465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15960.

The product of its digits is 8640, while the sum is 31.

The square root of 2132611465 is about 46180.2064200670. The cubic root of 2132611465 is about 1287.1739638828.

Adding to 2132611465 its reverse (5641162312), we get a palindrome (7773773777).

The spelling of 2132611465 in words is "two billion, one hundred thirty-two million, six hundred eleven thousand, four hundred sixty-five".