64518630003 has 16 divisors (see below), whose sum is σ = 96657127200. Its totient is φ = 42529132800.

The previous prime is 64518629969. The next prime is 64518630037. The reversal of 64518630003 is 30003681546.

64518630003 is a `hidden beast` number, since 6 + 4 + 5 + 18 + 630 + 0 + 0 + 3 = 666.

64518630003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64518629969) and next prime (64518630037).

It is not a de Polignac number, because 64518630003 - 2¹⁴ = 64518613619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64518630003.

It is not an unprimeable number, because it can be changed into a prime (64518630073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13422198 + ... + 13427003.

It is an arithmetic number, because the mean of its divisors is an integer number (6041070450).

Almost surely, 2^64518630003 is an apocalyptic number.

64518630003 is a deficient number, since it is larger than the sum of its proper divisors (32138497197).

64518630003 is a wasteful number, since it uses less digits than its factorization.

64518630003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26849299 (or 26849293 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 64518630003 in words is "sixty-four billion, five hundred eighteen million, six hundred thirty thousand, three".