672148414469 has 24 divisors (see below), whose sum is σ = 782909787168. Its totient is φ = 575374158240.

The previous prime is 672148414423. The next prime is 672148414537. The reversal of 672148414469 is 964414841276.

It is a de Polignac number, because none of the positive numbers 2^k-672148414469 is a prime.

It is a super-2 number, since 2×672148414469² (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 (672148411469) 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 23 ways as a sum of consecutive naturals, for example, 196936007 + ... + 196939419.

It is an arithmetic number, because the mean of its divisors is an integer number (32621241132).

Almost surely, 2^672148414469 is an apocalyptic number.

It is an amenable number.

672148414469 is a deficient number, since it is larger than the sum of its proper divisors (110761372699).

672148414469 is a wasteful number, since it uses less digits than its factorization.

672148414469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505 (or 7498 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 56.

The spelling of 672148414469 in words is "six hundred seventy-two billion, one hundred forty-eight million, four hundred fourteen thousand, four hundred sixty-nine".