2110638427 has 4 divisors (see below), whose sum is σ = 2221724680. Its totient is φ = 1999552176.

The previous prime is 2110638421. The next prime is 2110638437. The reversal of 2110638427 is 7248360112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2110638427 - 2³ = 2110638419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110638392 and 2110638401.

It is not an unprimeable number, because it can be changed into a prime (2110638421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55543098 + ... + 55543135.

It is an arithmetic number, because the mean of its divisors is an integer number (555431170).

Almost surely, 2^2110638427 is an apocalyptic number.

2110638427 is a deficient number, since it is larger than the sum of its proper divisors (111086253).

2110638427 is a wasteful number, since it uses less digits than its factorization.

2110638427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111086252.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2110638427 is about 45941.6850692266. The cubic root of 2110638427 is about 1282.7379598402.

Adding to 2110638427 its reverse (7248360112), we get a palindrome (9358998539).

The spelling of 2110638427 in words is "two billion, one hundred ten million, six hundred thirty-eight thousand, four hundred twenty-seven".