10199543447 has 2 divisors, whose sum is σ = 10199543448. Its totient is φ = 10199543446.

The previous prime is 10199543401. The next prime is 10199543467. The reversal of 10199543447 is 74434599101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10199543447 - 2⁶ = 10199543383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10199543467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5099771723 + 5099771724.

It is an arithmetic number, because the mean of its divisors is an integer number (5099771724).

Almost surely, 2^10199543447 is an apocalyptic number.

10199543447 is a deficient number, since it is larger than the sum of its proper divisors (1).

10199543447 is an equidigital number, since it uses as much as digits as its factorization.

10199543447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 10199543447 in words is "ten billion, one hundred ninety-nine million, five hundred forty-three thousand, four hundred forty-seven".