45309666631 has 2 divisors, whose sum is σ = 45309666632. Its totient is φ = 45309666630.

The previous prime is 45309666593. The next prime is 45309666713. The reversal of 45309666631 is 13666690354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45309666631 - 2¹³ = 45309658439 is a prime.

It is a super-2 number, since 2×45309666631² (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 (45309666331) 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, 22654833315 + 22654833316.

It is an arithmetic number, because the mean of its divisors is an integer number (22654833316).

Almost surely, 2^45309666631 is an apocalyptic number.

45309666631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45309666631 is an equidigital number, since it uses as much as digits as its factorization.

45309666631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 49.

The spelling of 45309666631 in words is "forty-five billion, three hundred nine million, six hundred sixty-six thousand, six hundred thirty-one".