9743406402249 has 63 divisors (see below), whose sum is σ = 15820371392517. Its totient is φ = 5995268169696.

The previous prime is 9743406402239. The next prime is 9743406402271. The reversal of 9743406402249 is 9422046043479.

The square root of 9743406402249 is 3121443.

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

9743406402249 is a `hidden beast` number, since 9 + 7 + 4 + 3 + 406 + 4 + 0 + 224 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5002858203849 + 4740548198400 = 2236707^2 + 2177280^2 .

It is not a de Polignac number, because 9743406402249 - 2¹⁵ = 9743406369481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9743406402195 and 9743406402204.

It is not an unprimeable number, because it can be changed into a prime (9743406402239) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1095622047 + ... + 1095630939.

Almost surely, 2^{9743406402249} is an apocalyptic number.

9743406402249 is the 3121443-rd square number.

9743406402249 is the 1560722-nd centered octagonal number.

It is an amenable number.

9743406402249 is a deficient number, since it is larger than the sum of its proper divisors (6076964990268).

9743406402249 is an frugal number, since it uses more digits than its factorization.

9743406402249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830 (or 8909 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 9743406402249 in words is "nine trillion, seven hundred forty-three billion, four hundred six million, four hundred two thousand, two hundred forty-nine".