261461150145347 has 2 divisors, whose sum is σ = 261461150145348. Its totient is φ = 261461150145346.

The previous prime is 261461150145331. The next prime is 261461150145397. The reversal of 261461150145347 is 743541051164162.

It is a happy number.

It is an a-pointer prime, because the next prime (261461150145397) can be obtained adding 261461150145347 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261461150145347 - 2⁴ = 261461150145331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 261461150145295 and 261461150145304.

It is not a weakly prime, because it can be changed into another prime (261461150145397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130730575072673 + 130730575072674.

It is an arithmetic number, because the mean of its divisors is an integer number (130730575072674).

Almost surely, 2^{261461150145347} is an apocalyptic number.

261461150145347 is a deficient number, since it is larger than the sum of its proper divisors (1).

261461150145347 is an equidigital number, since it uses as much as digits as its factorization.

261461150145347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 261461150145347 in words is "two hundred sixty-one trillion, four hundred sixty-one billion, one hundred fifty million, one hundred forty-five thousand, three hundred forty-seven".