913430405 has 4 divisors (see below), whose sum is σ = 1096116492. Its totient is φ = 730744320.

The previous prime is 913430393. The next prime is 913430423. The reversal of 913430405 is 504034319.

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

It can be written as a sum of positive squares in 2 ways, for example, as 328080769 + 585349636 = 18113^2 + 24194^2 .

It is not a de Polignac number, because 913430405 - 2⁶ = 913430341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 91343036 + ... + 91343045.

It is an arithmetic number, because the mean of its divisors is an integer number (274029123).

Almost surely, 2^913430405 is an apocalyptic number.

It is an amenable number.

913430405 is a deficient number, since it is larger than the sum of its proper divisors (182686087).

913430405 is a wasteful number, since it uses less digits than its factorization.

913430405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182686086.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 913430405 is about 30223.0111835336. The cubic root of 913430405 is about 970.2682522334.

The spelling of 913430405 in words is "nine hundred thirteen million, four hundred thirty thousand, four hundred five".