383721700049 has 2 divisors, whose sum is σ = 383721700050. Its totient is φ = 383721700048.

The previous prime is 383721699989. The next prime is 383721700207. The reversal of 383721700049 is 940007127383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301428450625 + 82293249424 = 549025^2 + 286868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383721700049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 383721699982 and 383721700009.

It is not a weakly prime, because it can be changed into another prime (383721700849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191860850024 + 191860850025.

It is an arithmetic number, because the mean of its divisors is an integer number (191860850025).

Almost surely, 2^383721700049 is an apocalyptic number.

It is an amenable number.

383721700049 is a deficient number, since it is larger than the sum of its proper divisors (1).

383721700049 is an equidigital number, since it uses as much as digits as its factorization.

383721700049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 383721700049 in words is "three hundred eighty-three billion, seven hundred twenty-one million, seven hundred thousand, forty-nine".