64386886053402 has 48 divisors (see below), whose sum is σ = 152372553671520. Its totient is φ = 19487412405600.

The previous prime is 64386886053323. The next prime is 64386886053409. The reversal of 64386886053402 is 20435068868346.

It is a happy number.

64386886053402 is a `hidden beast` number, since 6 + 4 + 38 + 6 + 8 + 8 + 60 + 534 + 0 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 64386886053402.

It is not an unprimeable number, because it can be changed into a prime (64386886053409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197880252 + ... + 198205367.

It is an arithmetic number, because the mean of its divisors is an integer number (3174428201490).

Almost surely, 2^{64386886053402} is an apocalyptic number.

64386886053402 is an abundant number, since it is smaller than the sum of its proper divisors (87985667618118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64386886053402 is a wasteful number, since it uses less digits than its factorization.

64386886053402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396086459 (or 396086456 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 63.

The spelling of 64386886053402 in words is "sixty-four trillion, three hundred eighty-six billion, eight hundred eighty-six million, fifty-three thousand, four hundred two".