45431267513 has 2 divisors, whose sum is σ = 45431267514. Its totient is φ = 45431267512.

The previous prime is 45431267507. The next prime is 45431267587. The reversal of 45431267513 is 31576213454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43726155664 + 1705111849 = 209108^2 + 41293^2 .

It is a cyclic number.

It is not a de Polignac number, because 45431267513 - 2¹² = 45431263417 is a prime.

It is not a weakly prime, because it can be changed into another prime (45431267113) 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, 22715633756 + 22715633757.

It is an arithmetic number, because the mean of its divisors is an integer number (22715633757).

Almost surely, 2^45431267513 is an apocalyptic number.

It is an amenable number.

45431267513 is a deficient number, since it is larger than the sum of its proper divisors (1).

45431267513 is an equidigital number, since it uses as much as digits as its factorization.

45431267513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The spelling of 45431267513 in words is "forty-five billion, four hundred thirty-one million, two hundred sixty-seven thousand, five hundred thirteen".