672943548499 has 4 divisors (see below), whose sum is σ = 673187991336. Its totient is φ = 672699105664.

The previous prime is 672943548469. The next prime is 672943548517. The reversal of 672943548499 is 994845349276.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 672943548499 - 2¹⁷ = 672943417427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672943548419) 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, 122217289 + ... + 122222794.

It is an arithmetic number, because the mean of its divisors is an integer number (168296997834).

Almost surely, 2^672943548499 is an apocalyptic number.

672943548499 is a deficient number, since it is larger than the sum of its proper divisors (244442837).

672943548499 is a wasteful number, since it uses less digits than its factorization.

672943548499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244442836.

The product of its digits is 470292480, while the sum is 70.

The spelling of 672943548499 in words is "six hundred seventy-two billion, nine hundred forty-three million, five hundred forty-eight thousand, four hundred ninety-nine".