73333965641 has 8 divisors (see below), whose sum is σ = 73430397000. Its totient is φ = 73237587840.

The previous prime is 73333965629. The next prime is 73333965643. The reversal of 73333965641 is 14656933337.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20307390016 + 53026575625 = 142504^2 + 230275^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73333965641 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 73333965641.

It is not an unprimeable number, because it can be changed into a prime (73333965643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3223655 + ... + 3246323.

It is an arithmetic number, because the mean of its divisors is an integer number (9178799625).

Almost surely, 2^73333965641 is an apocalyptic number.

It is an amenable number.

73333965641 is a deficient number, since it is larger than the sum of its proper divisors (96431359).

73333965641 is a wasteful number, since it uses less digits than its factorization.

73333965641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26779.

The product of its digits is 3674160, while the sum is 50.

The spelling of 73333965641 in words is "seventy-three billion, three hundred thirty-three million, nine hundred sixty-five thousand, six hundred forty-one".