398365119509 has 8 divisors (see below), whose sum is σ = 455287267200. Its totient is φ = 341446183056.

The previous prime is 398365119497. The next prime is 398365119533. The reversal of 398365119509 is 905911563893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 398365119509 - 2¹² = 398365115413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398365119209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530834 + ... + 1038515.

It is an arithmetic number, because the mean of its divisors is an integer number (56910908400).

Almost surely, 2^398365119509 is an apocalyptic number.

It is an amenable number.

398365119509 is a deficient number, since it is larger than the sum of its proper divisors (56922147691).

398365119509 is a wasteful number, since it uses less digits than its factorization.

398365119509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605619.

The product of its (nonzero) digits is 7873200, while the sum is 59.

The spelling of 398365119509 in words is "three hundred ninety-eight billion, three hundred sixty-five million, one hundred nineteen thousand, five hundred nine".