2127019490 has 16 divisors (see below), whose sum is σ = 3857863680. Its totient is φ = 844312560.

The previous prime is 2127019483. The next prime is 2127019493. The reversal of 2127019490 is 949107212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2127019490.

It is not an unprimeable number, because it can be changed into a prime (2127019493) 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, 810530 + ... + 813149.

It is an arithmetic number, because the mean of its divisors is an integer number (241116480).

Almost surely, 2^2127019490 is an apocalyptic number.

2127019490 is a deficient number, since it is larger than the sum of its proper divisors (1730844190).

2127019490 is a wasteful number, since it uses less digits than its factorization.

2127019490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623817.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 2127019490 is about 46119.6215292363. The cubic root of 2127019490 is about 1286.0479352018.

The spelling of 2127019490 in words is "two billion, one hundred twenty-seven million, nineteen thousand, four hundred ninety".