64507606213 has 8 divisors (see below), whose sum is σ = 69483649536. Its totient is φ = 59712510000.

The previous prime is 64507606199. The next prime is 64507606237. The reversal of 64507606213 is 31260670546.

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

It is a de Polignac number, because none of the positive numbers 2^k-64507606213 is a prime.

It is a super-2 number, since 2×64507606213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64507606243) 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, 45236038 + ... + 45237463.

It is an arithmetic number, because the mean of its divisors is an integer number (8685456192).

Almost surely, 2^64507606213 is an apocalyptic number.

It is an amenable number.

64507606213 is a deficient number, since it is larger than the sum of its proper divisors (4976043323).

64507606213 is a wasteful number, since it uses less digits than its factorization.

64507606213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90473555.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 64507606213 in words is "sixty-four billion, five hundred seven million, six hundred six thousand, two hundred thirteen".