45288888493 has 2 divisors, whose sum is σ = 45288888494. Its totient is φ = 45288888492.

The previous prime is 45288888439. The next prime is 45288888551. The reversal of 45288888493 is 39488888254.

Together with previous prime (45288888439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44979198889 + 309689604 = 212083^2 + 17598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45288888493 is a prime.

It is a super-2 number, since 2×45288888493² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45288888413) 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, 22644444246 + 22644444247.

It is an arithmetic number, because the mean of its divisors is an integer number (22644444247).

Almost surely, 2^45288888493 is an apocalyptic number.

It is an amenable number.

45288888493 is a deficient number, since it is larger than the sum of its proper divisors (1).

45288888493 is an equidigital number, since it uses as much as digits as its factorization.

45288888493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141557760, while the sum is 67.

The spelling of 45288888493 in words is "forty-five billion, two hundred eighty-eight million, eight hundred eighty-eight thousand, four hundred ninety-three".