3452989045981 has 2 divisors, whose sum is σ = 3452989045982. Its totient is φ = 3452989045980.

The previous prime is 3452989045841. The next prime is 3452989045993. The reversal of 3452989045981 is 1895409892543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1991951163225 + 1461037882756 = 1411365^2 + 1208734^2 .

It is a cyclic number.

It is not a de Polignac number, because 3452989045981 - 2¹⁵ = 3452989013213 is a prime.

It is a super-2 number, since 2×3452989045981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3452989045381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726494522990 + 1726494522991.

It is an arithmetic number, because the mean of its divisors is an integer number (1726494522991).

Almost surely, 2^{3452989045981} is an apocalyptic number.

It is an amenable number.

3452989045981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3452989045981 is an equidigital number, since it uses as much as digits as its factorization.

3452989045981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111974400, while the sum is 67.

The spelling of 3452989045981 in words is "three trillion, four hundred fifty-two billion, nine hundred eighty-nine million, forty-five thousand, nine hundred eighty-one".