1452981543241 has 2 divisors, whose sum is σ = 1452981543242. Its totient is φ = 1452981543240.

The previous prime is 1452981543187. The next prime is 1452981543283. The reversal of 1452981543241 is 1423451892541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981280435216 + 471701108025 = 990596^2 + 686805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452981543241 - 2²¹ = 1452979446089 is a prime.

It is a super-2 number, since 2×1452981543241² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1452981541241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726490771620 + 726490771621.

It is an arithmetic number, because the mean of its divisors is an integer number (726490771621).

Almost surely, 2^{1452981543241} is an apocalyptic number.

It is an amenable number.

1452981543241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452981543241 is an equidigital number, since it uses as much as digits as its factorization.

1452981543241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 49.

The spelling of 1452981543241 in words is "one trillion, four hundred fifty-two billion, nine hundred eighty-one million, five hundred forty-three thousand, two hundred forty-one".