672289511789 has 8 divisors (see below), whose sum is σ = 768382795008. Its totient is φ = 576209209680.

The previous prime is 672289511749. The next prime is 672289511809. The reversal of 672289511789 is 987115982276.

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 672289511789 - 2¹⁶ = 672289446253 is a prime.

It is a super-2 number, since 2×672289511789² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672289511749) 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, 3134042 + ... + 3341675.

It is an arithmetic number, because the mean of its divisors is an integer number (96047849376).

Almost surely, 2^672289511789 is an apocalyptic number.

It is an amenable number.

672289511789 is a deficient number, since it is larger than the sum of its proper divisors (96093283219).

672289511789 is a wasteful number, since it uses less digits than its factorization.

672289511789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490555.

The product of its digits is 30481920, while the sum is 65.

The spelling of 672289511789 in words is "six hundred seventy-two billion, two hundred eighty-nine million, five hundred eleven thousand, seven hundred eighty-nine".