64306538906379 has 32 divisors (see below), whose sum is σ = 106919049669120. Its totient is φ = 33399785452800.

The previous prime is 64306538906371. The next prime is 64306538906399. The reversal of 64306538906379 is 97360983560346.

It is not a de Polignac number, because 64306538906379 - 2³ = 64306538906371 is a prime.

It is a super-2 number, since 2×64306538906379² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64306538906371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24624234 + ... + 27110255.

It is an arithmetic number, because the mean of its divisors is an integer number (3341220302160).

Almost surely, 2^{64306538906379} is an apocalyptic number.

64306538906379 is a deficient number, since it is larger than the sum of its proper divisors (42612510762741).

64306538906379 is a wasteful number, since it uses less digits than its factorization.

64306538906379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51739891.

The product of its (nonzero) digits is 529079040, while the sum is 69.

The spelling of 64306538906379 in words is "sixty-four trillion, three hundred six billion, five hundred thirty-eight million, nine hundred six thousand, three hundred seventy-nine".