261714249707 has 2 divisors, whose sum is σ = 261714249708. Its totient is φ = 261714249706.

The previous prime is 261714249701. The next prime is 261714249721. The reversal of 261714249707 is 707942417162.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-261714249707 is a prime.

It is not a weakly prime, because it can be changed into another prime (261714249701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130857124853 + 130857124854.

It is an arithmetic number, because the mean of its divisors is an integer number (130857124854).

Almost surely, 2^261714249707 is an apocalyptic number.

261714249707 is a deficient number, since it is larger than the sum of its proper divisors (1).

261714249707 is an equidigital number, since it uses as much as digits as its factorization.

261714249707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 261714249707 in words is "two hundred sixty-one billion, seven hundred fourteen million, two hundred forty-nine thousand, seven hundred seven".