1983045601098 has 28 divisors (see below), whose sum is σ = 4459812435378. Its totient is φ = 661015199880.

The previous prime is 1983045601093. The next prime is 1983045601151. The reversal of 1983045601098 is 8901065403891.

1983045601098 is a `hidden beast` number, since 1 + 9 + 83 + 0 + 456 + 0 + 109 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1881212494329 + 101833106769 = 1371573^2 + 319113^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1983045601091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 680055333 + ... + 680058248.

Almost surely, 2^{1983045601098} is an apocalyptic number.

1983045601098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1983045601098 is an abundant number, since it is smaller than the sum of its proper divisors (2476766834280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1983045601098 is an equidigital number, since it uses as much as digits as its factorization.

1983045601098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360113601 (or 1360113586 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 1983045601098 in words is "one trillion, nine hundred eighty-three billion, forty-five million, six hundred one thousand, ninety-eight".