395247399121001 has 24 divisors (see below), whose sum is σ = 483979098204000. Its totient is φ = 320950990592064.

The previous prime is 395247399120961. The next prime is 395247399121007. The reversal of 395247399121001 is 100121993742593.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-395247399121001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (395247399121007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181523165 + ... + 183687653.

It is an arithmetic number, because the mean of its divisors is an integer number (20165795758500).

Almost surely, 2^{395247399121001} is an apocalyptic number.

It is an amenable number.

395247399121001 is a deficient number, since it is larger than the sum of its proper divisors (88731699082999).

395247399121001 is a wasteful number, since it uses less digits than its factorization.

395247399121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360661 (or 2360654 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 56.

The spelling of 395247399121001 in words is "three hundred ninety-five trillion, two hundred forty-seven billion, three hundred ninety-nine million, one hundred twenty-one thousand, one".