7434921317 has 2 divisors, whose sum is σ = 7434921318. Its totient is φ = 7434921316.

The previous prime is 7434921311. The next prime is 7434921341. The reversal of 7434921317 is 7131294347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7246435876 + 188485441 = 85126^2 + 13729^2 .

It is a cyclic number.

It is not a de Polignac number, because 7434921317 - 2²⁰ = 7433872741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7434921311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3717460658 + 3717460659.

It is an arithmetic number, because the mean of its divisors is an integer number (3717460659).

Almost surely, 2^7434921317 is an apocalyptic number.

It is an amenable number.

7434921317 is a deficient number, since it is larger than the sum of its proper divisors (1).

7434921317 is an equidigital number, since it uses as much as digits as its factorization.

7434921317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 7434921317 is about 86225.9898000597. The cubic root of 7434921317 is about 1951.7557114906.

The spelling of 7434921317 in words is "seven billion, four hundred thirty-four million, nine hundred twenty-one thousand, three hundred seventeen".