2191713480 has 96 divisors (see below), whose sum is σ = 7770634560. Its totient is φ = 531323520.

The previous prime is 2191713473. The next prime is 2191713499. The reversal of 2191713480 is 843171912.

It is a happy number.

2191713480 is a `hidden beast` number, since 2 + 1 + 9 + 171 + 3 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272772 + ... + 280691.

It is an arithmetic number, because the mean of its divisors is an integer number (80944110).

Almost surely, 2^2191713480 is an apocalyptic number.

2191713480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2191713480 is an abundant number, since it is smaller than the sum of its proper divisors (5578921080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2191713480 is a wasteful number, since it uses less digits than its factorization.

2191713480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553491 (or 553484 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 2191713480 is about 46815.7396609303. The cubic root of 2191713480 is about 1298.9564564304.

The spelling of 2191713480 in words is "two billion, one hundred ninety-one million, seven hundred thirteen thousand, four hundred eighty".