64346013 has 6 divisors (see below), whose sum is σ = 92944254. Its totient is φ = 42897336.

The previous prime is 64345949. The next prime is 64346039. The reversal of 64346013 is 31064346.

64346013 is a `hidden beast` number, since 643 + 4 + 6 + 0 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43797924 + 20548089 = 6618^2 + 4533^2 .

It is not a de Polignac number, because 64346013 - 2⁶ = 64345949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64346213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3574770 + ... + 3574787.

It is an arithmetic number, because the mean of its divisors is an integer number (15490709).

Almost surely, 2^64346013 is an apocalyptic number.

It is an amenable number.

64346013 is a deficient number, since it is larger than the sum of its proper divisors (28598241).

64346013 is a wasteful number, since it uses less digits than its factorization.

64346013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149563 (or 7149560 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 64346013 is about 8021.5966615132. The cubic root of 64346013 is about 400.7195652053.

It can be divided in two parts, 643 and 46013, that added together give a 6-th power (46656 = 6⁶).

The spelling of 64346013 in words is "sixty-four million, three hundred forty-six thousand, thirteen".