9742424357 has 2 divisors, whose sum is σ = 9742424358. Its totient is φ = 9742424356.

The previous prime is 9742424317. The next prime is 9742424359. The reversal of 9742424357 is 7534242479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9714270721 + 28153636 = 98561^2 + 5306^2 .

It is a cyclic number.

It is not a de Polignac number, because 9742424357 - 2¹⁴ = 9742407973 is a prime.

Together with 9742424359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9742424359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4871212178 + 4871212179.

It is an arithmetic number, because the mean of its divisors is an integer number (4871212179).

Almost surely, 2^9742424357 is an apocalyptic number.

It is an amenable number.

9742424357 is a deficient number, since it is larger than the sum of its proper divisors (1).

9742424357 is an equidigital number, since it uses as much as digits as its factorization.

9742424357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 47.

The square root of 9742424357 is about 98703.7200768036. The cubic root of 9742424357 is about 2135.7758959997.

The spelling of 9742424357 in words is "nine billion, seven hundred forty-two million, four hundred twenty-four thousand, three hundred fifty-seven".