1988061243050 has 24 divisors (see below), whose sum is σ = 3858567562656. Its totient is φ = 760649518640.

The previous prime is 1988061243041. The next prime is 1988061243053. The reversal of 1988061243050 is 503421608891.

It is a happy number.

It is a super-2 number, since 2×1988061243050² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1988061242986 and 1988061243004.

It is not an unprimeable number, because it can be changed into a prime (1988061243053) 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 11 ways as a sum of consecutive naturals, for example, 864373304 + ... + 864375603.

It is an arithmetic number, because the mean of its divisors is an integer number (160773648444).

Almost surely, 2^{1988061243050} is an apocalyptic number.

1988061243050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1988061243050 is a deficient number, since it is larger than the sum of its proper divisors (1870506319606).

1988061243050 is a wasteful number, since it uses less digits than its factorization.

1988061243050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728748942 (or 1728748937 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 1988061243050 in words is "one trillion, nine hundred eighty-eight billion, sixty-one million, two hundred forty-three thousand, fifty".