207064993 has 2 divisors, whose sum is σ = 207064994. Its totient is φ = 207064992.

The previous prime is 207064973. The next prime is 207065029. The reversal of 207064993 is 399460702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133911184 + 73153809 = 11572^2 + 8553^2 .

It is a cyclic number.

It is not a de Polignac number, because 207064993 - 2⁵ = 207064961 is a prime.

It is a super-2 number, since 2×207064993² = 85751822652180098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (207064933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103532496 + 103532497.

It is an arithmetic number, because the mean of its divisors is an integer number (103532497).

Almost surely, 2^207064993 is an apocalyptic number.

It is an amenable number.

207064993 is a deficient number, since it is larger than the sum of its proper divisors (1).

207064993 is an equidigital number, since it uses as much as digits as its factorization.

207064993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 207064993 is about 14389.7530555601. The cubic root of 207064993 is about 591.6100741040.

The spelling of 207064993 in words is "two hundred seven million, sixty-four thousand, nine hundred ninety-three".