2640484719 has 6 divisors (see below), whose sum is σ = 3814033496. Its totient is φ = 1760323140.

The previous prime is 2640484699. The next prime is 2640484723. The reversal of 2640484719 is 9174840462.

It is not a de Polignac number, because 2640484719 - 2⁸ = 2640484463 is a prime.

It is a super-4 number, since 4×2640484719⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640484219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146693587 + ... + 146693604.

Almost surely, 2^2640484719 is an apocalyptic number.

2640484719 is a deficient number, since it is larger than the sum of its proper divisors (1173548777).

2640484719 is a wasteful number, since it uses less digits than its factorization.

2640484719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293387197 (or 293387194 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2640484719 is about 51385.6470135387. The cubic root of 2640484719 is about 1382.1692270238.

The spelling of 2640484719 in words is "two billion, six hundred forty million, four hundred eighty-four thousand, seven hundred nineteen".