672353550719 has 4 divisors (see below), whose sum is σ = 690525268344. Its totient is φ = 654181833096.

The previous prime is 672353550683. The next prime is 672353550733. The reversal of 672353550719 is 917055353276.

It is a happy number.

672353550719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672353550719 is a prime.

It is a super-2 number, since 2×672353550719² (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 (672353570719) 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, 9085858757 + ... + 9085858830.

It is an arithmetic number, because the mean of its divisors is an integer number (172631317086).

Almost surely, 2^672353550719 is an apocalyptic number.

672353550719 is a deficient number, since it is larger than the sum of its proper divisors (18171717625).

672353550719 is a wasteful number, since it uses less digits than its factorization.

672353550719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18171717624.

The product of its (nonzero) digits is 5953500, while the sum is 53.

The spelling of 672353550719 in words is "six hundred seventy-two billion, three hundred fifty-three million, five hundred fifty thousand, seven hundred nineteen".