45098908437509 has 2 divisors, whose sum is σ = 45098908437510. Its totient is φ = 45098908437508.

The previous prime is 45098908437469. The next prime is 45098908437523. The reversal of 45098908437509 is 90573480989054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42785400513025 + 2313507924484 = 6541055^2 + 1521022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45098908437509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45098908437529) 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, 22549454218754 + 22549454218755.

It is an arithmetic number, because the mean of its divisors is an integer number (22549454218755).

Almost surely, 2^{45098908437509} is an apocalyptic number.

It is an amenable number.

45098908437509 is a deficient number, since it is larger than the sum of its proper divisors (1).

45098908437509 is an equidigital number, since it uses as much as digits as its factorization.

45098908437509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 391910400, while the sum is 71.

The spelling of 45098908437509 in words is "forty-five trillion, ninety-eight billion, nine hundred eight million, four hundred thirty-seven thousand, five hundred nine".