1700643211049 has 2 divisors, whose sum is σ = 1700643211050. Its totient is φ = 1700643211048.

The previous prime is 1700643211027. The next prime is 1700643211081. The reversal of 1700643211049 is 9401123460071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1376557799824 + 324085411225 = 1173268^2 + 569285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1700643211049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1700643211009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850321605524 + 850321605525.

It is an arithmetic number, because the mean of its divisors is an integer number (850321605525).

Almost surely, 2^{1700643211049} is an apocalyptic number.

It is an amenable number.

1700643211049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1700643211049 is an equidigital number, since it uses as much as digits as its factorization.

1700643211049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 1700643211049 in words is "one trillion, seven hundred billion, six hundred forty-three million, two hundred eleven thousand, forty-nine".