2132648638 has 8 divisors (see below), whose sum is σ = 3201435720. Its totient is φ = 1065503400.

The previous prime is 2132648591. The next prime is 2132648671. The reversal of 2132648638 is 8368462312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2132648594 and 2132648603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407208 + ... + 412411.

It is an arithmetic number, because the mean of its divisors is an integer number (400179465).

Almost surely, 2^2132648638 is an apocalyptic number.

2132648638 is a deficient number, since it is larger than the sum of its proper divisors (1068787082).

2132648638 is a wasteful number, since it uses less digits than its factorization.

2132648638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820922.

The product of its digits is 331776, while the sum is 43.

The square root of 2132648638 is about 46180.6088959425. The cubic root of 2132648638 is about 1287.1814426384.

The spelling of 2132648638 in words is "two billion, one hundred thirty-two million, six hundred forty-eight thousand, six hundred thirty-eight".