396285697249 has 16 divisors (see below), whose sum is σ = 433124318592. Its totient is φ = 360393723648.

The previous prime is 396285697237. The next prime is 396285697289. The reversal of 396285697249 is 942796582693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396285697249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396285697289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562359 + ... + 1053004.

It is an arithmetic number, because the mean of its divisors is an integer number (27070269912).

Almost surely, 2^396285697249 is an apocalyptic number.

It is an amenable number.

396285697249 is a deficient number, since it is larger than the sum of its proper divisors (36838621343).

396285697249 is a wasteful number, since it uses less digits than its factorization.

396285697249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615656.

The product of its digits is 352719360, while the sum is 70.

The spelling of 396285697249 in words is "three hundred ninety-six billion, two hundred eighty-five million, six hundred ninety-seven thousand, two hundred forty-nine".