73464543449 has 16 divisors (see below), whose sum is σ = 80338728960. Its totient is φ = 66623116560.

The previous prime is 73464543443. The next prime is 73464543463. The reversal of 73464543449 is 94434546437.

It is not a de Polignac number, because 73464543449 - 2³⁶ = 4745066713 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 73464543449.

It is not an unprimeable number, because it can be changed into a prime (73464543443) 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, 14576672 + ... + 14581710.

It is an arithmetic number, because the mean of its divisors is an integer number (5021170560).

Almost surely, 2^73464543449 is an apocalyptic number.

It is an amenable number.

73464543449 is a deficient number, since it is larger than the sum of its proper divisors (6874185511).

73464543449 is a wasteful number, since it uses less digits than its factorization.

73464543449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020.

The product of its digits is 17418240, while the sum is 53.

The spelling of 73464543449 in words is "seventy-three billion, four hundred sixty-four million, five hundred forty-three thousand, four hundred forty-nine".