9979641383 has 2 divisors, whose sum is σ = 9979641384. Its totient is φ = 9979641382.

The previous prime is 9979641341. The next prime is 9979641401. The reversal of 9979641383 is 3831469799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9979641383 - 2⁸ = 9979641127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9979641313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4989820691 + 4989820692.

It is an arithmetic number, because the mean of its divisors is an integer number (4989820692).

Almost surely, 2^9979641383 is an apocalyptic number.

9979641383 is a deficient number, since it is larger than the sum of its proper divisors (1).

9979641383 is an equidigital number, since it uses as much as digits as its factorization.

9979641383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 59.

The square root of 9979641383 is about 99898.1550530339. The cubic root of 9979641383 is about 2152.9716530451.

The spelling of 9979641383 in words is "nine billion, nine hundred seventy-nine million, six hundred forty-one thousand, three hundred eighty-three".