395498966489 has 16 divisors (see below), whose sum is σ = 434299320000. Its totient is φ = 357180601920.

The previous prime is 395498966459. The next prime is 395498966519. The reversal of 395498966489 is 984669894593.

It is an interprime number because it is at equal distance from previous prime (395498966459) and next prime (395498966519).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395498966489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395498966419) 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, 841202 + ... + 1224180.

It is an arithmetic number, because the mean of its divisors is an integer number (27143707500).

Almost surely, 2^395498966489 is an apocalyptic number.

It is an amenable number.

395498966489 is a deficient number, since it is larger than the sum of its proper divisors (38800353511).

395498966489 is a wasteful number, since it uses less digits than its factorization.

395498966489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383608.

The product of its digits is 3627970560, while the sum is 80.

The spelling of 395498966489 in words is "three hundred ninety-five billion, four hundred ninety-eight million, nine hundred sixty-six thousand, four hundred eighty-nine".