2150667447 has 4 divisors (see below), whose sum is σ = 2867556600. Its totient is φ = 1433778296.

The previous prime is 2150667397. The next prime is 2150667457. The reversal of 2150667447 is 7447660512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2150667447 - 2⁶ = 2150667383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2150667399 and 2150667408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150667457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358444572 + ... + 358444577.

It is an arithmetic number, because the mean of its divisors is an integer number (716889150).

Almost surely, 2^2150667447 is an apocalyptic number.

2150667447 is a deficient number, since it is larger than the sum of its proper divisors (716889153).

2150667447 is an equidigital number, since it uses as much as digits as its factorization.

2150667447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716889152.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 2150667447 is about 46375.2891850822. The cubic root of 2150667447 is about 1290.7964248508.

The spelling of 2150667447 in words is "two billion, one hundred fifty million, six hundred sixty-seven thousand, four hundred forty-seven".