2138447627 has 4 divisors (see below), whose sum is σ = 2138549136. Its totient is φ = 2138346120.

The previous prime is 2138447567. The next prime is 2138447687. The reversal of 2138447627 is 7267448312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2138447567) and next prime (2138447687).

It is a cyclic number.

It is not a de Polignac number, because 2138447627 - 2¹⁶ = 2138382091 is a prime.

It is a super-2 number, since 2×2138447627² = 9145916506843862258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2138447687) 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, 5999 + ... + 65672.

It is an arithmetic number, because the mean of its divisors is an integer number (534637284).

Almost surely, 2^2138447627 is an apocalyptic number.

2138447627 is a deficient number, since it is larger than the sum of its proper divisors (101509).

2138447627 is an equidigital number, since it uses as much as digits as its factorization.

2138447627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101508.

The product of its digits is 451584, while the sum is 44.

The square root of 2138447627 is about 46243.3522465662. The cubic root of 2138447627 is about 1288.3470660695.

The spelling of 2138447627 in words is "two billion, one hundred thirty-eight million, four hundred forty-seven thousand, six hundred twenty-seven".