1098814399684 has 24 divisors (see below), whose sum is σ = 1955585056320. Its totient is φ = 540076459104.

The previous prime is 1098814399667. The next prime is 1098814399687. The reversal of 1098814399684 is 4869934188901.

It is not an unprimeable number, because it can be changed into a prime (1098814399687) 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, 8786257 + ... + 8910439.

It is an arithmetic number, because the mean of its divisors is an integer number (81482710680).

Almost surely, 2^{1098814399684} is an apocalyptic number.

It is an amenable number.

1098814399684 is a deficient number, since it is larger than the sum of its proper divisors (856770656636).

1098814399684 is a wasteful number, since it uses less digits than its factorization.

1098814399684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161739 (or 161737 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 70.

The spelling of 1098814399684 in words is "one trillion, ninety-eight billion, eight hundred fourteen million, three hundred ninety-nine thousand, six hundred eighty-four".