45289981001 has 2 divisors, whose sum is σ = 45289981002. Its totient is φ = 45289981000.

The previous prime is 45289980991. The next prime is 45289981019. The reversal of 45289981001 is 10018998254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23846771776 + 21443209225 = 154424^2 + 146435^2 .

It is a cyclic number.

It is not a de Polignac number, because 45289981001 - 2¹⁴ = 45289964617 is a prime.

It is not a weakly prime, because it can be changed into another prime (45289981031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22644990500 + 22644990501.

It is an arithmetic number, because the mean of its divisors is an integer number (22644990501).

Almost surely, 2^45289981001 is an apocalyptic number.

It is an amenable number.

45289981001 is a deficient number, since it is larger than the sum of its proper divisors (1).

45289981001 is an equidigital number, since it uses as much as digits as its factorization.

45289981001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 45289981001 in words is "forty-five billion, two hundred eighty-nine million, nine hundred eighty-one thousand, one".