64380622608346 has 24 divisors (see below), whose sum is σ = 106468906223232. Its totient is φ = 29175508698600.

The previous prime is 64380622608319. The next prime is 64380622608349.

64380622608346 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64380622608346² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64380622608349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401786410 + ... + 401946613.

It is an arithmetic number, because the mean of its divisors is an integer number (4436204425968).

Almost surely, 2^{64380622608346} is an apocalyptic number.

64380622608346 is a deficient number, since it is larger than the sum of its proper divisors (42088283614886).

64380622608346 is a wasteful number, since it uses less digits than its factorization.

64380622608346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803733378 (or 803733367 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 58.

The spelling of 64380622608346 in words is "sixty-four trillion, three hundred eighty billion, six hundred twenty-two million, six hundred eight thousand, three hundred forty-six".