913429729 has 3 divisors (see below), whose sum is σ = 913459953. Its totient is φ = 913399506.

The previous prime is 913429721. The next prime is 913429739. The reversal of 913429729 is 927924319.

It is a happy number.

The square root of 913429729 is 30223.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 913429729 - 2³ = 913429721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913429721) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15112 + ... + 45334.

It is an arithmetic number, because the mean of its divisors is an integer number (304486651).

Almost surely, 2^913429729 is an apocalyptic number.

913429729 is the 30223-rd square number.

913429729 is the 15112-nd centered octagonal number.

It is an amenable number.

913429729 is a deficient number, since it is larger than the sum of its proper divisors (30224).

913429729 is an frugal number, since it uses more digits than its factorization.

913429729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60446 (or 30223 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The cubic root of 913429729 is about 970.2680128787.

The spelling of 913429729 in words is "nine hundred thirteen million, four hundred twenty-nine thousand, seven hundred twenty-nine".