9413379664 has 20 divisors (see below), whose sum is σ = 19641379156. Its totient is φ = 4344636672.

The previous prime is 9413379653. The next prime is 9413379667. The reversal of 9413379664 is 4669733149.

It can be written as a sum of positive squares in 2 ways, for example, as 3405889600 + 6007490064 = 58360^2 + 77508^2 .

It is a super-2 number, since 2×9413379664² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9413379667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22628109 + ... + 22628524.

Almost surely, 2^9413379664 is an apocalyptic number.

It is an amenable number.

9413379664 is an abundant number, since it is smaller than the sum of its proper divisors (10227999492).

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

9413379664 is a wasteful number, since it uses less digits than its factorization.

9413379664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45256654 (or 45256648 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 52.

The square root of 9413379664 is about 97022.5729611414. The cubic root of 9413379664 is about 2111.4551378459.

The spelling of 9413379664 in words is "nine billion, four hundred thirteen million, three hundred seventy-nine thousand, six hundred sixty-four".