913949319 has 4 divisors (see below), whose sum is σ = 1218599096. Its totient is φ = 609299544.

The previous prime is 913949293. The next prime is 913949383.

913949319 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 913949319 - 2⁵ = 913949287 is a prime.

It is a super-2 number, since 2×913949319² = 1670606715401127522, which 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 (913941319) 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, 152324884 + ... + 152324889.

It is an arithmetic number, because the mean of its divisors is an integer number (304649774).

Almost surely, 2^913949319 is an apocalyptic number.

913949319 is a deficient number, since it is larger than the sum of its proper divisors (304649777).

913949319 is a wasteful number, since it uses less digits than its factorization.

913949319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304649776.

The product of its digits is 236196, while the sum is 48.

The square root of 913949319 is about 30231.5947148013. The cubic root of 913949319 is about 970.4519518580.

The spelling of 913949319 in words is "nine hundred thirteen million, nine hundred forty-nine thousand, three hundred nineteen".