398973597563 has 8 divisors (see below), whose sum is σ = 400355993520. Its totient is φ = 397593592960.

The previous prime is 398973597541. The next prime is 398973597571. The reversal of 398973597563 is 365795379893.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398973597563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398973597523) 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, 263258 + ... + 931263.

It is an arithmetic number, because the mean of its divisors is an integer number (50044499190).

Almost surely, 2^398973597563 is an apocalyptic number.

398973597563 is a deficient number, since it is larger than the sum of its proper divisors (1382395957).

398973597563 is a wasteful number, since it uses less digits than its factorization.

398973597563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195677.

The product of its digits is 1157360400, while the sum is 74.

The spelling of 398973597563 in words is "three hundred ninety-eight billion, nine hundred seventy-three million, five hundred ninety-seven thousand, five hundred sixty-three".