1980986559810 has 32 divisors (see below), whose sum is σ = 4754674786752. Its totient is φ = 528228966720.

The previous prime is 1980986559809. The next prime is 1980986559887. The reversal of 1980986559810 is 189556890891.

It is a super-2 number, since 2×1980986559810² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658244 + ... + 2590703.

It is an arithmetic number, because the mean of its divisors is an integer number (148583587086).

Almost surely, 2^{1980986559810} is an apocalyptic number.

1980986559810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1980986559810 is an abundant number, since it is smaller than the sum of its proper divisors (2773688226942).

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

1980986559810 is a wasteful number, since it uses less digits than its factorization.

1980986559810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264498.

The product of its (nonzero) digits is 55987200, while the sum is 69.

The spelling of 1980986559810 in words is "one trillion, nine hundred eighty billion, nine hundred eighty-six million, five hundred fifty-nine thousand, eight hundred ten".