64802362213 has 8 divisors (see below), whose sum is σ = 65049625368. Its totient is φ = 64555355904.

The previous prime is 64802362193. The next prime is 64802362231. The reversal of 64802362213 is 31226320846.

64802362213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13819883364 + 50982478849 = 117558^2 + 225793^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64802362213 is a prime.

It is a super-2 number, since 2×64802362213² (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 (64802312213) 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, 449145 + ... + 575617.

It is an arithmetic number, because the mean of its divisors is an integer number (8131203171).

Almost surely, 2^64802362213 is an apocalyptic number.

It is an amenable number.

64802362213 is a deficient number, since it is larger than the sum of its proper divisors (247263155).

64802362213 is a wasteful number, since it uses less digits than its factorization.

64802362213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128423.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 64802362213 in words is "sixty-four billion, eight hundred two million, three hundred sixty-two thousand, two hundred thirteen".