2127661730 has 32 divisors (see below), whose sum is σ = 3878769024. Its totient is φ = 840231936.

The previous prime is 2127661699. The next prime is 2127661747. The reversal of 2127661730 is 371667212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354434 + ... + 360386.

It is an arithmetic number, because the mean of its divisors is an integer number (121211532).

Almost surely, 2^2127661730 is an apocalyptic number.

2127661730 is a deficient number, since it is larger than the sum of its proper divisors (1751107294).

2127661730 is a wasteful number, since it uses less digits than its factorization.

2127661730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 2127661730 is about 46126.5837668475. The cubic root of 2127661730 is about 1286.1773601731.

The spelling of 2127661730 in words is "two billion, one hundred twenty-seven million, six hundred sixty-one thousand, seven hundred thirty".