207687423027613 has 2 divisors, whose sum is σ = 207687423027614. Its totient is φ = 207687423027612.

The previous prime is 207687423027527. The next prime is 207687423027647. The reversal of 207687423027613 is 316720324786702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205335086112324 + 2352336915289 = 14329518^2 + 1533733^2 .

It is a cyclic number.

It is not a de Polignac number, because 207687423027613 - 2³³ = 207678833093021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207687423027653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103843711513806 + 103843711513807.

It is an arithmetic number, because the mean of its divisors is an integer number (103843711513807).

Almost surely, 2^{207687423027613} is an apocalyptic number.

It is an amenable number.

207687423027613 is a deficient number, since it is larger than the sum of its proper divisors (1).

207687423027613 is an equidigital number, since it uses as much as digits as its factorization.

207687423027613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28449792, while the sum is 58.

The spelling of 207687423027613 in words is "two hundred seven trillion, six hundred eighty-seven billion, four hundred twenty-three million, twenty-seven thousand, six hundred thirteen".