4172672449 has 8 divisors (see below), whose sum is σ = 4596201792. Its totient is φ = 3756509040.

The previous prime is 4172672429. The next prime is 4172672461. The reversal of 4172672449 is 9442762714.

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

It is a cyclic number.

It is not a de Polignac number, because 4172672449 - 2⁵ = 4172672417 is a prime.

It is a super-2 number, since 2×4172672449² = 34822390733287315202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4172672399 and 4172672408.

It is not an unprimeable number, because it can be changed into a prime (4172672419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840294 + ... + 1842559.

It is an arithmetic number, because the mean of its divisors is an integer number (574525224).

Almost surely, 2^4172672449 is an apocalyptic number.

It is an amenable number.

4172672449 is a deficient number, since it is larger than the sum of its proper divisors (423529343).

4172672449 is a wasteful number, since it uses less digits than its factorization.

4172672449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682967.

The product of its digits is 677376, while the sum is 46.

The square root of 4172672449 is about 64596.2262752245. The cubic root of 4172672449 is about 1609.9217390556.

The spelling of 4172672449 in words is "four billion, one hundred seventy-two million, six hundred seventy-two thousand, four hundred forty-nine".