73249455189 has 16 divisors (see below), whose sum is σ = 98115248000. Its totient is φ = 48608833536.

The previous prime is 73249455187. The next prime is 73249455197. The reversal of 73249455189 is 98155494237.

It is not a de Polignac number, because 73249455189 - 2¹ = 73249455187 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73249455187) 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, 506037 + ... + 634485.

It is an arithmetic number, because the mean of its divisors is an integer number (6132203000).

Almost surely, 2^73249455189 is an apocalyptic number.

It is an amenable number.

73249455189 is a deficient number, since it is larger than the sum of its proper divisors (24865792811).

73249455189 is a wasteful number, since it uses less digits than its factorization.

73249455189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129324.

The product of its digits is 10886400, while the sum is 57.

The spelling of 73249455189 in words is "seventy-three billion, two hundred forty-nine million, four hundred fifty-five thousand, one hundred eighty-nine".