9970489829 has 2 divisors, whose sum is σ = 9970489830. Its totient is φ = 9970489828.

The previous prime is 9970489777. The next prime is 9970489831. The reversal of 9970489829 is 9289840799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9487149604 + 483340225 = 97402^2 + 21985^2 .

It is an emirp because it is prime and its reverse (9289840799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9970489829 - 2¹⁶ = 9970424293 is a prime.

Together with 9970489831, 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 (9970489849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4985244914 + 4985244915.

It is an arithmetic number, because the mean of its divisors is an integer number (4985244915).

Almost surely, 2^9970489829 is an apocalyptic number.

It is an amenable number.

9970489829 is a deficient number, since it is larger than the sum of its proper divisors (1).

9970489829 is an equidigital number, since it uses as much as digits as its factorization.

9970489829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 65.

The square root of 9970489829 is about 99852.3401278107. The cubic root of 9970489829 is about 2152.3133440817.

The spelling of 9970489829 in words is "nine billion, nine hundred seventy million, four hundred eighty-nine thousand, eight hundred twenty-nine".