64135455333 has 4 divisors (see below), whose sum is σ = 85513940448. Its totient is φ = 42756970220.

The previous prime is 64135455299. The next prime is 64135455389. The reversal of 64135455333 is 33355453146.

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 not a de Polignac number, because 64135455333 - 2⁸ = 64135455077 is a prime.

It is a super-2 number, since 2×64135455333² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64135451333) 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, 10689242553 + ... + 10689242558.

It is an arithmetic number, because the mean of its divisors is an integer number (21378485112).

Almost surely, 2^64135455333 is an apocalyptic number.

It is an amenable number.

64135455333 is a deficient number, since it is larger than the sum of its proper divisors (21378485115).

64135455333 is a wasteful number, since it uses less digits than its factorization.

64135455333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21378485114.

The product of its digits is 972000, while the sum is 42.

The spelling of 64135455333 in words is "sixty-four billion, one hundred thirty-five million, four hundred fifty-five thousand, three hundred thirty-three".