9964724899 has 2 divisors, whose sum is σ = 9964724900. Its totient is φ = 9964724898.

The previous prime is 9964724851. The next prime is 9964724921. The reversal of 9964724899 is 9984274699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9964724899 - 2¹¹ = 9964722851 is a prime.

It is a super-3 number, since 3×9964724899³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (9964724839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982362449 + 4982362450.

It is an arithmetic number, because the mean of its divisors is an integer number (4982362450).

Almost surely, 2^9964724899 is an apocalyptic number.

9964724899 is a deficient number, since it is larger than the sum of its proper divisors (1).

9964724899 is an equidigital number, since it uses as much as digits as its factorization.

9964724899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70543872, while the sum is 67.

The square root of 9964724899 is about 99823.4686784626. The cubic root of 9964724899 is about 2151.8984421003.

The spelling of 9964724899 in words is "nine billion, nine hundred sixty-four million, seven hundred twenty-four thousand, eight hundred ninety-nine".