64513636350 has 48 divisors (see below), whose sum is σ = 165510857520. Its totient is φ = 16610406400.

The previous prime is 64513636217. The next prime is 64513636351. The reversal of 64513636350 is 5363631546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64513636351) 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, 7411011 + ... + 7419710.

It is an arithmetic number, because the mean of its divisors is an integer number (3448142865).

Almost surely, 2^64513636350 is an apocalyptic number.

64513636350 is an abundant number, since it is smaller than the sum of its proper divisors (100997221170).

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

64513636350 is a wasteful number, since it uses less digits than its factorization.

64513636350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14830765 (or 14830760 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 64513636350 in words is "sixty-four billion, five hundred thirteen million, six hundred thirty-six thousand, three hundred fifty".