64233133133197 has 4 divisors (see below), whose sum is σ = 73409295009376. Its totient is φ = 55056971257020.

The previous prime is 64233133133131. The next prime is 64233133133209. The reversal of 64233133133197 is 79133133133246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64233133133197 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 64233133133197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64233133136197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4588080938079 + ... + 4588080938092.

It is an arithmetic number, because the mean of its divisors is an integer number (18352323752344).

Almost surely, 2^{64233133133197} is an apocalyptic number.

It is an amenable number.

64233133133197 is a deficient number, since it is larger than the sum of its proper divisors (9176161876179).

64233133133197 is an equidigital number, since it uses as much as digits as its factorization.

64233133133197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176161876178.

The product of its digits is 2204496, while the sum is 49.

Adding to 64233133133197 its sum of digits (49), we get a palindrome (64233133133246).

The spelling of 64233133133197 in words is "sixty-four trillion, two hundred thirty-three billion, one hundred thirty-three million, one hundred thirty-three thousand, one hundred ninety-seven".