45437609873 has 2 divisors, whose sum is σ = 45437609874. Its totient is φ = 45437609872.

The previous prime is 45437609849. The next prime is 45437609897. The reversal of 45437609873 is 37890673454.

It is a balanced prime because it is at equal distance from previous prime (45437609849) and next prime (45437609897).

It can be written as a sum of positive squares in only one way, i.e., 39817408849 + 5620201024 = 199543^2 + 74968^2 .

It is a cyclic number.

It is not a de Polignac number, because 45437609873 - 2²⁴ = 45420832657 is a prime.

It is a super-2 number, since 2×45437609873² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45437639873) 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, 22718804936 + 22718804937.

It is an arithmetic number, because the mean of its divisors is an integer number (22718804937).

Almost surely, 2^45437609873 is an apocalyptic number.

It is an amenable number.

45437609873 is a deficient number, since it is larger than the sum of its proper divisors (1).

45437609873 is an equidigital number, since it uses as much as digits as its factorization.

45437609873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 45437609873 in words is "forty-five billion, four hundred thirty-seven million, six hundred nine thousand, eight hundred seventy-three".