913680953 has 4 divisors (see below), whose sum is σ = 916299300. Its totient is φ = 911062608.

The previous prime is 913680919. The next prime is 913680979. The reversal of 913680953 is 359086319.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 359086319 = 233 ⋅1541143.

It can be written as a sum of positive squares in 2 ways, for example, as 247369984 + 666310969 = 15728^2 + 25813^2 .

It is a cyclic number.

It is not a de Polignac number, because 913680953 - 2⁸ = 913680697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913680983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308650 + ... + 1309347.

It is an arithmetic number, because the mean of its divisors is an integer number (229074825).

Almost surely, 2^913680953 is an apocalyptic number.

It is an amenable number.

913680953 is a deficient number, since it is larger than the sum of its proper divisors (2618347).

913680953 is a wasteful number, since it uses less digits than its factorization.

913680953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618346.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 913680953 is about 30227.1558867188. The cubic root of 913680953 is about 970.3569568737.

The spelling of 913680953 in words is "nine hundred thirteen million, six hundred eighty thousand, nine hundred fifty-three".