7434921313 has 8 divisors (see below), whose sum is σ = 7696708200. Its totient is φ = 7173495168.

The previous prime is 7434921311. The next prime is 7434921317. The reversal of 7434921313 is 3131294347.

It can be written as a sum of positive squares in 4 ways, for example, as 2974284369 + 4460636944 = 54537^2 + 66788^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7434921313 - 2¹ = 7434921311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7434921311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47898 + ... + 131011.

It is an arithmetic number, because the mean of its divisors is an integer number (962088525).

Almost surely, 2^7434921313 is an apocalyptic number.

It is an amenable number.

7434921313 is a deficient number, since it is larger than the sum of its proper divisors (261786887).

7434921313 is a wasteful number, since it uses less digits than its factorization.

7434921313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180371.

The product of its digits is 54432, while the sum is 37.

The square root of 7434921313 is about 86225.9897768648. The cubic root of 7434921313 is about 1951.7557111406.

The spelling of 7434921313 in words is "seven billion, four hundred thirty-four million, nine hundred twenty-one thousand, three hundred thirteen".