64947884150 has 24 divisors (see below), whose sum is σ = 126055373904. Its totient is φ = 24849624800.

The previous prime is 64947884117. The next prime is 64947884153. The reversal of 64947884150 is 5148874946.

It is a happy number.

64947884150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64947884153) 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, 28237061 + ... + 28239360.

It is an arithmetic number, because the mean of its divisors is an integer number (5252307246).

Almost surely, 2^64947884150 is an apocalyptic number.

64947884150 is a deficient number, since it is larger than the sum of its proper divisors (61107489754).

64947884150 is a wasteful number, since it uses less digits than its factorization.

64947884150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56476456 (or 56476451 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 64947884150 in words is "sixty-four billion, nine hundred forty-seven million, eight hundred eighty-four thousand, one hundred fifty".