1098223291693 has 16 divisors (see below), whose sum is σ = 1226926711296. Its totient is φ = 974368689840.

The previous prime is 1098223291681. The next prime is 1098223291703. The reversal of 1098223291693 is 3961923228901.

It is a cyclic number.

It is not a de Polignac number, because 1098223291693 - 2³³ = 1089633357101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098223297693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370755 + ... + 1527712.

It is an arithmetic number, because the mean of its divisors is an integer number (76682919456).

Almost surely, 2^{1098223291693} is an apocalyptic number.

It is an amenable number.

1098223291693 is a deficient number, since it is larger than the sum of its proper divisors (128703419603).

1098223291693 is a wasteful number, since it uses less digits than its factorization.

1098223291693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899744.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 1098223291693 in words is "one trillion, ninety-eight billion, two hundred twenty-three million, two hundred ninety-one thousand, six hundred ninety-three".