7144076159981 has 2 divisors, whose sum is σ = 7144076159982. Its totient is φ = 7144076159980.

The previous prime is 7144076159951. The next prime is 7144076160007. The reversal of 7144076159981 is 1899516704417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5448064823881 + 1696011336100 = 2334109^2 + 1302310^2 .

It is a cyclic number.

It is not a de Polignac number, because 7144076159981 - 2¹⁰ = 7144076158957 is a prime.

It is a super-2 number, since 2×7144076159981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7144076159951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572038079990 + 3572038079991.

It is an arithmetic number, because the mean of its divisors is an integer number (3572038079991).

Almost surely, 2^{7144076159981} is an apocalyptic number.

It is an amenable number.

7144076159981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7144076159981 is an equidigital number, since it uses as much as digits as its factorization.

7144076159981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 62.

The spelling of 7144076159981 in words is "seven trillion, one hundred forty-four billion, seventy-six million, one hundred fifty-nine thousand, nine hundred eighty-one".