673153247551847 has 4 divisors (see below), whose sum is σ = 712750497407856. Its totient is φ = 633555997695840.

The previous prime is 673153247551753. The next prime is 673153247551871. The reversal of 673153247551847 is 748155742351376.

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 673153247551847 - 2¹⁶ = 673153247486311 is a prime.

It is a super-2 number, since 2×673153247551847² (a number of 30 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 (673153247551877) 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 3 ways as a sum of consecutive naturals, for example, 19798624927979 + ... + 19798624928012.

It is an arithmetic number, because the mean of its divisors is an integer number (178187624351964).

Almost surely, 2^{673153247551847} is an apocalyptic number.

673153247551847 is a deficient number, since it is larger than the sum of its proper divisors (39597249856009).

673153247551847 is a wasteful number, since it uses less digits than its factorization.

673153247551847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39597249856008.

The product of its digits is 592704000, while the sum is 68.

The spelling of 673153247551847 in words is "six hundred seventy-three trillion, one hundred fifty-three billion, two hundred forty-seven million, five hundred fifty-one thousand, eight hundred forty-seven".