2186472445 has 8 divisors (see below), whose sum is σ = 2668237920. Its totient is φ = 1719530640.

The previous prime is 2186472389. The next prime is 2186472451. The reversal of 2186472445 is 5442746812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2186472445 - 2²¹ = 2184375293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3705591 + ... + 3706180.

It is an arithmetic number, because the mean of its divisors is an integer number (333529740).

Almost surely, 2^2186472445 is an apocalyptic number.

It is an amenable number.

2186472445 is a deficient number, since it is larger than the sum of its proper divisors (481765475).

2186472445 is an equidigital number, since it uses as much as digits as its factorization.

2186472445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411835.

The product of its digits is 430080, while the sum is 43.

The square root of 2186472445 is about 46759.7310193290. The cubic root of 2186472445 is about 1297.9202336937.

The spelling of 2186472445 in words is "two billion, one hundred eighty-six million, four hundred seventy-two thousand, four hundred forty-five".