9954109799 has 2 divisors, whose sum is σ = 9954109800. Its totient is φ = 9954109798.

The previous prime is 9954109793. The next prime is 9954109813. The reversal of 9954109799 is 9979014599.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9954109799 - 2²⁴ = 9937332583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9954109793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977054899 + 4977054900.

It is an arithmetic number, because the mean of its divisors is an integer number (4977054900).

Almost surely, 2^9954109799 is an apocalyptic number.

9954109799 is a deficient number, since it is larger than the sum of its proper divisors (1).

9954109799 is an equidigital number, since it uses as much as digits as its factorization.

9954109799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8266860, while the sum is 62.

The square root of 9954109799 is about 99770.2851504395. The cubic root of 9954109799 is about 2151.1340546116.

The spelling of 9954109799 in words is "nine billion, nine hundred fifty-four million, one hundred nine thousand, seven hundred ninety-nine".