2148197727 has 8 divisors (see below), whose sum is σ = 3084591664. Its totient is φ = 1321967808.

The previous prime is 2148197713. The next prime is 2148197743. The reversal of 2148197727 is 7277918412.

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

It is not a de Polignac number, because 2148197727 - 2¹⁸ = 2147935583 is a prime.

It is a super-2 number, since 2×2148197727² = 9229506948575933058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148197327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27540958 + ... + 27541035.

It is an arithmetic number, because the mean of its divisors is an integer number (385573958).

Almost surely, 2^2148197727 is an apocalyptic number.

2148197727 is a deficient number, since it is larger than the sum of its proper divisors (936393937).

2148197727 is a wasteful number, since it uses less digits than its factorization.

2148197727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55082009.

The product of its digits is 395136, while the sum is 48.

The square root of 2148197727 is about 46348.6539934009. The cubic root of 2148197727 is about 1290.3021400328.

The spelling of 2148197727 in words is "two billion, one hundred forty-eight million, one hundred ninety-seven thousand, seven hundred twenty-seven".