207947606794351 has 2 divisors, whose sum is σ = 207947606794352. Its totient is φ = 207947606794350.

The previous prime is 207947606794349. The next prime is 207947606794381. The reversal of 207947606794351 is 153497606749702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 207947606794351 - 2¹ = 207947606794349 is a prime.

It is a super-2 number, since 2×207947606794351² (a number of 29 digits) contains 22 as substring.

Together with 207947606794349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207947606794381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103973803397175 + 103973803397176.

It is an arithmetic number, because the mean of its divisors is an integer number (103973803397176).

Almost surely, 2^{207947606794351} is an apocalyptic number.

207947606794351 is a deficient number, since it is larger than the sum of its proper divisors (1).

207947606794351 is an equidigital number, since it uses as much as digits as its factorization.

207947606794351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480090240, while the sum is 70.

The spelling of 207947606794351 in words is "two hundred seven trillion, nine hundred forty-seven billion, six hundred six million, seven hundred ninety-four thousand, three hundred fifty-one".