73016471653 has 4 divisors (see below), whose sum is σ = 73019701260. Its totient is φ = 73013242048.

The previous prime is 73016471641. The next prime is 73016471659. The reversal of 73016471653 is 35617461037.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26277058404 + 46739413249 = 162102^2 + 216193^2 .

It is a cyclic number.

It is not a de Polignac number, because 73016471653 - 2⁵ = 73016471621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73016471659) 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, 1580650 + ... + 1626187.

It is an arithmetic number, because the mean of its divisors is an integer number (18254925315).

Almost surely, 2^73016471653 is an apocalyptic number.

It is an amenable number.

73016471653 is a deficient number, since it is larger than the sum of its proper divisors (3229607).

73016471653 is a wasteful number, since it uses less digits than its factorization.

73016471653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229606.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 73016471653 in words is "seventy-three billion, sixteen million, four hundred seventy-one thousand, six hundred fifty-three".