913909319 has 4 divisors (see below), whose sum is σ = 914248896. Its totient is φ = 913569744.

The previous prime is 913909303. The next prime is 913909331.

913909319 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 913909319 - 2⁴ = 913909303 is a prime.

It is a super-2 number, since 2×913909319² = 1670460486710087522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 913909319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913909819) 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, 165719 + ... + 171144.

It is an arithmetic number, because the mean of its divisors is an integer number (228562224).

Almost surely, 2^913909319 is an apocalyptic number.

913909319 is a deficient number, since it is larger than the sum of its proper divisors (339577).

913909319 is a wasteful number, since it uses less digits than its factorization.

913909319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339576.

The product of its (nonzero) digits is 59049, while the sum is 44.

The square root of 913909319 is about 30230.9331480191. The cubic root of 913909319 is about 970.4377940181.

The spelling of 913909319 in words is "nine hundred thirteen million, nine hundred nine thousand, three hundred nineteen".