9962438939 has 2 divisors, whose sum is σ = 9962438940. Its totient is φ = 9962438938.

The previous prime is 9962438921. The next prime is 9962438963. The reversal of 9962438939 is 9398342699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9962438939 - 2⁸ = 9962438683 is a prime.

It is a super-2 number, since 2×9962438939² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9962438539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4981219469 + 4981219470.

It is an arithmetic number, because the mean of its divisors is an integer number (4981219470).

Almost surely, 2^9962438939 is an apocalyptic number.

9962438939 is a deficient number, since it is larger than the sum of its proper divisors (1).

9962438939 is an equidigital number, since it uses as much as digits as its factorization.

9962438939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22674816, while the sum is 62.

The square root of 9962438939 is about 99812.0180088550. The cubic root of 9962438939 is about 2151.7338772639.

The spelling of 9962438939 in words is "nine billion, nine hundred sixty-two million, four hundred thirty-eight thousand, nine hundred thirty-nine".