45289981031 has 2 divisors, whose sum is σ = 45289981032. Its totient is φ = 45289981030.

The previous prime is 45289981019. The next prime is 45289981043. The reversal of 45289981031 is 13018998254.

It is a balanced prime because it is at equal distance from previous prime (45289981019) and next prime (45289981043).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45289981031 is a prime.

It is a super-2 number, since 2×45289981031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45289981001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22644990515 + 22644990516.

It is an arithmetic number, because the mean of its divisors is an integer number (22644990516).

Almost surely, 2^45289981031 is an apocalyptic number.

45289981031 is a deficient number, since it is larger than the sum of its proper divisors (1).

45289981031 is an equidigital number, since it uses as much as digits as its factorization.

45289981031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 45289981031 in words is "forty-five billion, two hundred eighty-nine million, nine hundred eighty-one thousand, thirty-one".