2179242551 has 8 divisors (see below), whose sum is σ = 2190368400. Its totient is φ = 2168137728.

The previous prime is 2179242523. The next prime is 2179242581. The reversal of 2179242551 is 1552429712.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2179242551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179242521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228425 + ... + 237773.

It is an arithmetic number, because the mean of its divisors is an integer number (273796050).

Almost surely, 2^2179242551 is an apocalyptic number.

2179242551 is a deficient number, since it is larger than the sum of its proper divisors (11125849).

2179242551 is an equidigital number, since it uses as much as digits as its factorization.

2179242551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10513.

The product of its digits is 50400, while the sum is 38.

The square root of 2179242551 is about 46682.3580274176. The cubic root of 2179242551 is about 1296.4880656711.

The spelling of 2179242551 in words is "two billion, one hundred seventy-nine million, two hundred forty-two thousand, five hundred fifty-one".