207261647051 has 2 divisors, whose sum is σ = 207261647052. Its totient is φ = 207261647050.

The previous prime is 207261646997. The next prime is 207261647083. The reversal of 207261647051 is 150746162702.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207261647051 is a prime.

It is not a weakly prime, because it can be changed into another prime (207261647951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103630823525 + 103630823526.

It is an arithmetic number, because the mean of its divisors is an integer number (103630823526).

Almost surely, 2^207261647051 is an apocalyptic number.

207261647051 is a deficient number, since it is larger than the sum of its proper divisors (1).

207261647051 is an equidigital number, since it uses as much as digits as its factorization.

207261647051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 207261647051 in words is "two hundred seven billion, two hundred sixty-one million, six hundred forty-seven thousand, fifty-one".