249483645398 has 8 divisors (see below), whose sum is σ = 403012042608. Its totient is φ = 115146297864.

The previous prime is 249483645377. The next prime is 249483645413. The reversal of 249483645398 is 893546384942.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4797762386 + ... + 4797762437.

It is an arithmetic number, because the mean of its divisors is an integer number (50376505326).

Almost surely, 2^249483645398 is an apocalyptic number.

249483645398 is a deficient number, since it is larger than the sum of its proper divisors (153528397210).

249483645398 is a wasteful number, since it uses less digits than its factorization.

249483645398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9595524838.

The product of its digits is 179159040, while the sum is 65.

The spelling of 249483645398 in words is "two hundred forty-nine billion, four hundred eighty-three million, six hundred forty-five thousand, three hundred ninety-eight".