427095463309 has 2 divisors, whose sum is σ = 427095463310. Its totient is φ = 427095463308.

The previous prime is 427095463303. The next prime is 427095463351. The reversal of 427095463309 is 903364590724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220357014084 + 206738449225 = 469422^2 + 454685^2 .

It is a cyclic number.

It is not a de Polignac number, because 427095463309 - 2⁹ = 427095462797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427095463303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213547731654 + 213547731655.

It is an arithmetic number, because the mean of its divisors is an integer number (213547731655).

Almost surely, 2^427095463309 is an apocalyptic number.

It is an amenable number.

427095463309 is a deficient number, since it is larger than the sum of its proper divisors (1).

427095463309 is an equidigital number, since it uses as much as digits as its factorization.

427095463309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 427095463309 in words is "four hundred twenty-seven billion, ninety-five million, four hundred sixty-three thousand, three hundred nine".