207058700021 has 2 divisors, whose sum is σ = 207058700022. Its totient is φ = 207058700020.

The previous prime is 207058699961. The next prime is 207058700029. The reversal of 207058700021 is 120007850702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206012500996 + 1046199025 = 453886^2 + 32345^2 .

It is a cyclic number.

It is not a de Polignac number, because 207058700021 - 2³⁴ = 189878830837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207058700029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103529350010 + 103529350011.

It is an arithmetic number, because the mean of its divisors is an integer number (103529350011).

Almost surely, 2^207058700021 is an apocalyptic number.

It is an amenable number.

207058700021 is a deficient number, since it is larger than the sum of its proper divisors (1).

207058700021 is an equidigital number, since it uses as much as digits as its factorization.

207058700021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 32.

The spelling of 207058700021 in words is "two hundred seven billion, fifty-eight million, seven hundred thousand, twenty-one".