913988209064 has 32 divisors (see below), whose sum is σ = 1958830387200. Its totient is φ = 391652387520.

The previous prime is 913988209061. The next prime is 913988209067. The reversal of 913988209064 is 460902889319.

913988209064 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 (913988209061) and next prime (913988209067).

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 913988208994 and 913988209012.

It is not an unprimeable number, because it can be changed into a prime (913988209061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793799 + ... + 1567830.

It is an arithmetic number, because the mean of its divisors is an integer number (61213449600).

Almost surely, 2^913988209064 is an apocalyptic number.

It is an amenable number.

913988209064 is an abundant number, since it is smaller than the sum of its proper divisors (1044842178136).

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

913988209064 is a wasteful number, since it uses less digits than its factorization.

913988209064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368553 (or 2368549 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 59.

The spelling of 913988209064 in words is "nine hundred thirteen billion, nine hundred eighty-eight million, two hundred nine thousand, sixty-four".