73455494991 has 8 divisors (see below), whose sum is σ = 98029459200. Its totient is φ = 48925930392.

The previous prime is 73455494989. The next prime is 73455494993. The reversal of 73455494991 is 19949455437.

It is an interprime number because it is at equal distance from previous prime (73455494989) and next prime (73455494993).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73455494991 - 2¹ = 73455494989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73455494993) 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 in 7 ways as a sum of consecutive naturals, for example, 11096041 + ... + 11102658.

It is an arithmetic number, because the mean of its divisors is an integer number (12253682400).

Almost surely, 2^73455494991 is an apocalyptic number.

73455494991 is a deficient number, since it is larger than the sum of its proper divisors (24573964209).

73455494991 is a wasteful number, since it uses less digits than its factorization.

73455494991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22199805.

The product of its digits is 24494400, while the sum is 60.

The spelling of 73455494991 in words is "seventy-three billion, four hundred fifty-five million, four hundred ninety-four thousand, nine hundred ninety-one".