289503947396 has 24 divisors (see below), whose sum is σ = 508877800704. Its totient is φ = 144110465600.

The previous prime is 289503947347. The next prime is 289503947459. The reversal of 289503947396 is 693749305982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8324981 + ... + 8359683.

It is an arithmetic number, because the mean of its divisors is an integer number (21203241696).

Almost surely, 2^289503947396 is an apocalyptic number.

It is an amenable number.

289503947396 is a deficient number, since it is larger than the sum of its proper divisors (219373853308).

289503947396 is a wasteful number, since it uses less digits than its factorization.

289503947396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43891 (or 43889 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 65.

The spelling of 289503947396 in words is "two hundred eighty-nine billion, five hundred three million, nine hundred forty-seven thousand, three hundred ninety-six".