1670201706949 has 2 divisors, whose sum is σ = 1670201706950. Its totient is φ = 1670201706948.

The previous prime is 1670201706889. The next prime is 1670201707073. The reversal of 1670201706949 is 9496071020761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1134399666724 + 535802040225 = 1065082^2 + 731985^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670201706949 - 2¹³ = 1670201698757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1670201706896 and 1670201706905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1670201706049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835100853474 + 835100853475.

It is an arithmetic number, because the mean of its divisors is an integer number (835100853475).

Almost surely, 2^{1670201706949} is an apocalyptic number.

It is an amenable number.

1670201706949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670201706949 is an equidigital number, since it uses as much as digits as its factorization.

1670201706949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 1670201706949 in words is "one trillion, six hundred seventy billion, two hundred one million, seven hundred six thousand, nine hundred forty-nine".