673953133870 has 16 divisors (see below), whose sum is σ = 1213140778560. Its totient is φ = 269575667424.

The previous prime is 673953133853. The next prime is 673953133877. The reversal of 673953133870 is 78331359376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673953133877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172710 + ... + 1173769.

It is an arithmetic number, because the mean of its divisors is an integer number (75821298660).

Almost surely, 2^673953133870 is an apocalyptic number.

673953133870 is a deficient number, since it is larger than the sum of its proper divisors (539187644690).

673953133870 is a wasteful number, since it uses less digits than its factorization.

673953133870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396539.

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 673953133870 in words is "six hundred seventy-three billion, nine hundred fifty-three million, one hundred thirty-three thousand, eight hundred seventy".