64423663115135 has 8 divisors (see below), whose sum is σ = 77308594537536. Its totient is φ = 51538797959200.

The previous prime is 64423663115131. The next prime is 64423663115191. The reversal of 64423663115135 is 53151136632446.

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

It is not a de Polignac number, because 64423663115135 - 2² = 64423663115131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64423663115131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14402084 + ... + 18337593.

It is an arithmetic number, because the mean of its divisors is an integer number (9663574317192).

Almost surely, 2^{64423663115135} is an apocalyptic number.

64423663115135 is a deficient number, since it is larger than the sum of its proper divisors (12884931422401).

64423663115135 is a wasteful number, since it uses less digits than its factorization.

64423663115135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33133233.

The product of its digits is 4665600, while the sum is 50.

The spelling of 64423663115135 in words is "sixty-four trillion, four hundred twenty-three billion, six hundred sixty-three million, one hundred fifteen thousand, one hundred thirty-five".