2632081909 has 4 divisors (see below), whose sum is σ = 2646623980. Its totient is φ = 2617539840.

The previous prime is 2632081849. The next prime is 2632081927. The reversal of 2632081909 is 9091802362.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9091802362 = 2 ⋅4545901181.

It can be written as a sum of positive squares in 2 ways, for example, as 25979409 + 2606102500 = 5097^2 + 51050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2632081909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2632001909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7270764 + ... + 7271125.

It is an arithmetic number, because the mean of its divisors is an integer number (661655995).

Almost surely, 2^2632081909 is an apocalyptic number.

It is an amenable number.

2632081909 is a deficient number, since it is larger than the sum of its proper divisors (14542071).

2632081909 is a wasteful number, since it uses less digits than its factorization.

2632081909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14542070.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2632081909 is about 51303.8196336296. The cubic root of 2632081909 is about 1380.7015107626.

The spelling of 2632081909 in words is "two billion, six hundred thirty-two million, eighty-one thousand, nine hundred nine".