73505553051 has 8 divisors (see below), whose sum is σ = 112008461824. Its totient is φ = 42003173160.

The previous prime is 73505553049. The next prime is 73505553073. The reversal of 73505553051 is 15035550537.

It is a happy number.

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

It is not a de Polignac number, because 73505553051 - 2¹ = 73505553049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73505554051) 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, 1750132195 + ... + 1750132236.

It is an arithmetic number, because the mean of its divisors is an integer number (14001057728).

Almost surely, 2^73505553051 is an apocalyptic number.

73505553051 is a deficient number, since it is larger than the sum of its proper divisors (38502908773).

73505553051 is a wasteful number, since it uses less digits than its factorization.

73505553051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500264441.

The product of its (nonzero) digits is 196875, while the sum is 39.

The spelling of 73505553051 in words is "seventy-three billion, five hundred five million, five hundred fifty-three thousand, fifty-one".