672381530553 has 4 divisors (see below), whose sum is σ = 896508707408. Its totient is φ = 448254353700.

The previous prime is 672381530543. The next prime is 672381530617. The reversal of 672381530553 is 355035183276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 672381530553 - 2¹³ = 672381522361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672381530543) 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, 112063588423 + ... + 112063588428.

It is an arithmetic number, because the mean of its divisors is an integer number (224127176852).

Almost surely, 2^672381530553 is an apocalyptic number.

It is an amenable number.

672381530553 is a deficient number, since it is larger than the sum of its proper divisors (224127176855).

672381530553 is a wasteful number, since it uses less digits than its factorization.

672381530553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224127176854.

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 672381530553 in words is "six hundred seventy-two billion, three hundred eighty-one million, five hundred thirty thousand, five hundred fifty-three".