395247399121007 has 2 divisors, whose sum is σ = 395247399121008. Its totient is φ = 395247399121006.

The previous prime is 395247399120961. The next prime is 395247399121031. The reversal of 395247399121007 is 700121993742593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 395247399121007 - 2¹⁸ = 395247398858863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395247399124007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197623699560503 + 197623699560504.

It is an arithmetic number, because the mean of its divisors is an integer number (197623699560504).

Almost surely, 2^{395247399121007} is an apocalyptic number.

395247399121007 is a deficient number, since it is larger than the sum of its proper divisors (1).

395247399121007 is an equidigital number, since it uses as much as digits as its factorization.

395247399121007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25719120, while the sum is 62.

The spelling of 395247399121007 in words is "three hundred ninety-five trillion, two hundred forty-seven billion, three hundred ninety-nine million, one hundred twenty-one thousand, seven".