173387390612 has 6 divisors (see below), whose sum is σ = 303427933578. Its totient is φ = 86693695304.

The previous prime is 173387390611. The next prime is 173387390639. The reversal of 173387390612 is 216093783371.

173387390612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 142676931076 + 30710459536 = 377726^2 + 175244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173387390611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21673423823 + ... + 21673423830.

It is an arithmetic number, because the mean of its divisors is an integer number (50571322263).

Almost surely, 2^173387390612 is an apocalyptic number.

It is an amenable number.

173387390612 is a deficient number, since it is larger than the sum of its proper divisors (130040542966).

173387390612 is a wasteful number, since it uses less digits than its factorization.

173387390612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43346847657 (or 43346847655 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 173387390612 in words is "one hundred seventy-three billion, three hundred eighty-seven million, three hundred ninety thousand, six hundred twelve".