1799710961 has 2 divisors, whose sum is σ = 1799710962. Its totient is φ = 1799710960.

The previous prime is 1799710901. The next prime is 1799710973. The reversal of 1799710961 is 1690179971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1309354225 + 490356736 = 36185^2 + 22144^2 .

It is an emirp because it is prime and its reverse (1690179971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1799710961 - 2⁶ = 1799710897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1799710901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899855480 + 899855481.

It is an arithmetic number, because the mean of its divisors is an integer number (899855481).

Almost surely, 2^1799710961 is an apocalyptic number.

It is an amenable number.

1799710961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799710961 is an equidigital number, since it uses as much as digits as its factorization.

1799710961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 50.

The square root of 1799710961 is about 42423.0003771539. Note that the first 3 decimals coincide. The cubic root of 1799710961 is about 1216.3752847558.

The spelling of 1799710961 in words is "one billion, seven hundred ninety-nine million, seven hundred ten thousand, nine hundred sixty-one".