64122058639 has 8 divisors (see below), whose sum is σ = 68172427872. Its totient is φ = 60176893920.

The previous prime is 64122058597. The next prime is 64122058643. The reversal of 64122058639 is 93685022146.

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

It is a cyclic number.

It is not a de Polignac number, because 64122058639 - 2⁹ = 64122058127 is a prime.

It is a super-2 number, since 2×64122058639² (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 (64122058139) 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, 26299872 + ... + 26302309.

It is an arithmetic number, because the mean of its divisors is an integer number (8521553484).

Almost surely, 2^64122058639 is an apocalyptic number.

64122058639 is a deficient number, since it is larger than the sum of its proper divisors (4050369233).

64122058639 is a wasteful number, since it uses less digits than its factorization.

64122058639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52602257.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 64122058639 in words is "sixty-four billion, one hundred twenty-two million, fifty-eight thousand, six hundred thirty-nine".