1742903488981 has 8 divisors (see below), whose sum is σ = 1743947033400. Its totient is φ = 1741860081600.

The previous prime is 1742903488973. The next prime is 1742903488993. The reversal of 1742903488981 is 1898843092471.

It can be written as a sum of positive squares in 4 ways, for example, as 32015944900 + 1710887544081 = 178930^2 + 1308009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1742903488981 - 2³ = 1742903488973 is a prime.

It is a super-2 number, since 2×1742903488981² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742903438981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36910935 + ... + 36958123.

It is an arithmetic number, because the mean of its divisors is an integer number (217993379175).

Almost surely, 2^{1742903488981} is an apocalyptic number.

It is an amenable number.

1742903488981 is a deficient number, since it is larger than the sum of its proper divisors (1043544419).

1742903488981 is a wasteful number, since it uses less digits than its factorization.

1742903488981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68519.

The product of its (nonzero) digits is 27869184, while the sum is 64.

The spelling of 1742903488981 in words is "one trillion, seven hundred forty-two billion, nine hundred three million, four hundred eighty-eight thousand, nine hundred eighty-one".