8913964469 has 4 divisors (see below), whose sum is σ = 8922304140. Its totient is φ = 8905624800.

The previous prime is 8913964439. The next prime is 8913964481. The reversal of 8913964469 is 9644693198.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7214463844 + 1699500625 = 84938^2 + 41225^2 .

It is a cyclic number.

It is not a de Polignac number, because 8913964469 - 2¹² = 8913960373 is a prime.

It is a super-2 number, since 2×8913964469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8913964439) 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, 4168232 + ... + 4170369.

It is an arithmetic number, because the mean of its divisors is an integer number (2230576035).

Almost surely, 2^8913964469 is an apocalyptic number.

It is an amenable number.

8913964469 is a deficient number, since it is larger than the sum of its proper divisors (8339671).

8913964469 is a wasteful number, since it uses less digits than its factorization.

8913964469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339670.

The product of its digits is 10077696, while the sum is 59.

The square root of 8913964469 is about 94413.7938492040. The cubic root of 8913964469 is about 2073.4343999394.

The spelling of 8913964469 in words is "eight billion, nine hundred thirteen million, nine hundred sixty-four thousand, four hundred sixty-nine".