73532149517 has 6 divisors (see below), whose sum is σ = 76868202222. Its totient is φ = 70335099032.

The previous prime is 73532149499. The next prime is 73532149619. The reversal of 73532149517 is 71594123537.

It can be written as a sum of positive squares in only one way, i.e., 70728870601 + 2803278916 = 265949^2 + 52946^2 .

It is not a de Polignac number, because 73532149517 - 2³⁴ = 56352280333 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 (73532749517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69500558 + ... + 69501615.

It is an arithmetic number, because the mean of its divisors is an integer number (12811367037).

Almost surely, 2^73532149517 is an apocalyptic number.

It is an amenable number.

73532149517 is a deficient number, since it is larger than the sum of its proper divisors (3336052705).

73532149517 is a wasteful number, since it uses less digits than its factorization.

73532149517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139002219 (or 139002196 counting only the distinct ones).

The product of its digits is 793800, while the sum is 47.

The spelling of 73532149517 in words is "seventy-three billion, five hundred thirty-two million, one hundred forty-nine thousand, five hundred seventeen".