7127640219 has 16 divisors (see below), whose sum is σ = 10973139968. Its totient is φ = 4030947072.

The previous prime is 7127640217. The next prime is 7127640253. The reversal of 7127640219 is 9120467217.

It is not a de Polignac number, because 7127640219 - 2¹ = 7127640217 is a prime.

It is a super-2 number, since 2×7127640219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7127640217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1747507 + ... + 1751580.

It is an arithmetic number, because the mean of its divisors is an integer number (685821248).

Almost surely, 2^7127640219 is an apocalyptic number.

7127640219 is a deficient number, since it is larger than the sum of its proper divisors (3845499749).

7127640219 is a wasteful number, since it uses less digits than its factorization.

7127640219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499194.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 7127640219 is about 84425.3529397420. The cubic root of 7127640219 is about 1924.4882178256.

The spelling of 7127640219 in words is "seven billion, one hundred twenty-seven million, six hundred forty thousand, two hundred nineteen".