1813097973698 has 64 divisors (see below), whose sum is σ = 3181518950400. Its totient is φ = 766258496640.

The previous prime is 1813097973671. The next prime is 1813097973727. The reversal of 1813097973698 is 8963797903181.

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 31 ways as a sum of consecutive naturals, for example, 5350286 + ... + 5679062.

It is an arithmetic number, because the mean of its divisors is an integer number (49711233600).

Almost surely, 2^{1813097973698} is an apocalyptic number.

1813097973698 is a deficient number, since it is larger than the sum of its proper divisors (1368420976702).

1813097973698 is a wasteful number, since it uses less digits than its factorization.

1813097973698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329055.

The product of its (nonzero) digits is 123451776, while the sum is 71.

The spelling of 1813097973698 in words is "one trillion, eight hundred thirteen billion, ninety-seven million, nine hundred seventy-three thousand, six hundred ninety-eight".