199044401753 has 2 divisors, whose sum is σ = 199044401754. Its totient is φ = 199044401752.

The previous prime is 199044401713. The next prime is 199044401771. The reversal of 199044401753 is 357104440991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190486856704 + 8557545049 = 436448^2 + 92507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199044401753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199044401698 and 199044401707.

It is not a weakly prime, because it can be changed into another prime (199044401713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99522200876 + 99522200877.

It is an arithmetic number, because the mean of its divisors is an integer number (99522200877).

Almost surely, 2^199044401753 is an apocalyptic number.

It is an amenable number.

199044401753 is a deficient number, since it is larger than the sum of its proper divisors (1).

199044401753 is an equidigital number, since it uses as much as digits as its factorization.

199044401753 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 199044401753 in words is "one hundred ninety-nine billion, forty-four million, four hundred one thousand, seven hundred fifty-three".