173980649763 has 16 divisors (see below), whose sum is σ = 257789140000. Its totient is φ = 115969086720.

The previous prime is 173980649741. The next prime is 173980649797. The reversal of 173980649763 is 367946089371.

173980649763 is a `hidden beast` number, since 1 + 7 + 3 + 9 + 80 + 6 + 497 + 63 = 666.

It is not a de Polignac number, because 173980649763 - 2¹⁶ = 173980584227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 173980649763.

It is not an unprimeable number, because it can be changed into a prime (173980609763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322138 + ... + 672111.

It is an arithmetic number, because the mean of its divisors is an integer number (16111821250).

Almost surely, 2^173980649763 is an apocalyptic number.

173980649763 is a deficient number, since it is larger than the sum of its proper divisors (83808490237).

173980649763 is an equidigital number, since it uses as much as digits as its factorization.

173980649763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000739 (or 1000733 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

The spelling of 173980649763 in words is "one hundred seventy-three billion, nine hundred eighty million, six hundred forty-nine thousand, seven hundred sixty-three".