2179485507 has 4 divisors (see below), whose sum is σ = 2905980680. Its totient is φ = 1452990336.

The previous prime is 2179485499. The next prime is 2179485559. The reversal of 2179485507 is 7055849712.

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

It is not a de Polignac number, because 2179485507 - 2³ = 2179485499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2179485577) 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, 363247582 + ... + 363247587.

It is an arithmetic number, because the mean of its divisors is an integer number (726495170).

Almost surely, 2^2179485507 is an apocalyptic number.

2179485507 is a deficient number, since it is larger than the sum of its proper divisors (726495173).

2179485507 is an equidigital number, since it uses as much as digits as its factorization.

2179485507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726495172.

The product of its (nonzero) digits is 705600, while the sum is 48.

The square root of 2179485507 is about 46684.9601799123. The cubic root of 2179485507 is about 1296.5362441616.

The spelling of 2179485507 in words is "two billion, one hundred seventy-nine million, four hundred eighty-five thousand, five hundred seven".