64134550269 has 12 divisors (see below), whose sum is σ = 92641161756. Its totient is φ = 42755274432.

The previous prime is 64134550153. The next prime is 64134550297. The reversal of 64134550269 is 96205543146.

64134550269 is a `hidden beast` number, since 6 + 4 + 1 + 34 + 550 + 2 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3439822500 + 60694727769 = 58650^2 + 246363^2 .

It is not a de Polignac number, because 64134550269 - 2¹⁹ = 64134025981 is a prime.

It is a super-2 number, since 2×64134550269² (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 (64134550069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450057 + ... + 575169.

It is an arithmetic number, because the mean of its divisors is an integer number (7720096813).

Almost surely, 2^64134550269 is an apocalyptic number.

It is an amenable number.

64134550269 is a deficient number, since it is larger than the sum of its proper divisors (28506611487).

64134550269 is a wasteful number, since it uses less digits than its factorization.

64134550269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182076 (or 182073 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 64134550269 in words is "sixty-four billion, one hundred thirty-four million, five hundred fifty thousand, two hundred sixty-nine".