8918913601 has 4 divisors (see below), whose sum is σ = 9604983892. Its totient is φ = 8232843312.

The previous prime is 8918913589. The next prime is 8918913613. The reversal of 8918913601 is 1063198198.

It is a happy number.

It is a Cunningham number, because it is equal to 94440²+1.

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

It is an interprime number because it is at equal distance from previous prime (8918913589) and next prime (8918913613).

It can be written as a sum of positive squares in 2 ways, for example, as 1319432976 + 7599480625 = 36324^2 + 87175^2 .

It is a cyclic number.

It is not a de Polignac number, because 8918913601 - 2⁹ = 8918913089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8918913691) 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, 343035126 + ... + 343035151.

It is an arithmetic number, because the mean of its divisors is an integer number (2401245973).

Almost surely, 2^8918913601 is an apocalyptic number.

It is an amenable number.

8918913601 is a deficient number, since it is larger than the sum of its proper divisors (686070291).

8918913601 is a wasteful number, since it uses less digits than its factorization.

8918913601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686070290.

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 8918913601 is about 94440.0000052944. Note that the first 5 decimals coincide. The cubic root of 8918913601 is about 2073.8180602073.

The spelling of 8918913601 in words is "eight billion, nine hundred eighteen million, nine hundred thirteen thousand, six hundred one".