9937430249 has 2 divisors, whose sum is σ = 9937430250. Its totient is φ = 9937430248.

The previous prime is 9937430233. The next prime is 9937430263. The reversal of 9937430249 is 9420347399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6089461225 + 3847969024 = 78035^2 + 62032^2 .

It is a cyclic number.

It is not a de Polignac number, because 9937430249 - 2⁴ = 9937430233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9937430197 and 9937430206.

It is not a weakly prime, because it can be changed into another prime (9937430449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4968715124 + 4968715125.

It is an arithmetic number, because the mean of its divisors is an integer number (4968715125).

Almost surely, 2^9937430249 is an apocalyptic number.

It is an amenable number.

9937430249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9937430249 is an equidigital number, since it uses as much as digits as its factorization.

9937430249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The square root of 9937430249 is about 99686.6603362757. The cubic root of 9937430249 is about 2149.9318708536.

The spelling of 9937430249 in words is "nine billion, nine hundred thirty-seven million, four hundred thirty thousand, two hundred forty-nine".