245320331998 has 16 divisors (see below), whose sum is σ = 420604825824. Its totient is φ = 105123363840.

The previous prime is 245320331983. The next prime is 245320332029. The reversal of 245320331998 is 899133023542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050243 + ... + 1262398.

It is an arithmetic number, because the mean of its divisors is an integer number (26287801614).

Almost surely, 2^245320331998 is an apocalyptic number.

245320331998 is a deficient number, since it is larger than the sum of its proper divisors (175284493826).

245320331998 is a wasteful number, since it uses less digits than its factorization.

245320331998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320227.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 245320331998 in words is "two hundred forty-five billion, three hundred twenty million, three hundred thirty-one thousand, nine hundred ninety-eight".