9913404799 has 2 divisors, whose sum is σ = 9913404800. Its totient is φ = 9913404798.

The previous prime is 9913404773. The next prime is 9913404811. The reversal of 9913404799 is 9974043199.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9913404799 - 2⁹ = 9913404287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9913434799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4956702399 + 4956702400.

It is an arithmetic number, because the mean of its divisors is an integer number (4956702400).

Almost surely, 2^9913404799 is an apocalyptic number.

9913404799 is a deficient number, since it is larger than the sum of its proper divisors (1).

9913404799 is an equidigital number, since it uses as much as digits as its factorization.

9913404799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 9913404799 is about 99566.0825733342. The cubic root of 9913404799 is about 2148.1978624257.

The spelling of 9913404799 in words is "nine billion, nine hundred thirteen million, four hundred four thousand, seven hundred ninety-nine".