43700350273 has 2 divisors, whose sum is σ = 43700350274. Its totient is φ = 43700350272.

The previous prime is 43700350249. The next prime is 43700350279. The reversal of 43700350273 is 37205300734.

43700350273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43623752769 + 76597504 = 208863^2 + 8752^2 .

It is a cyclic number.

It is not a de Polignac number, because 43700350273 - 2¹⁷ = 43700219201 is a prime.

It is a super-2 number, since 2×43700350273² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43700350279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21850175136 + 21850175137.

It is an arithmetic number, because the mean of its divisors is an integer number (21850175137).

Almost surely, 2^43700350273 is an apocalyptic number.

It is an amenable number.

43700350273 is a deficient number, since it is larger than the sum of its proper divisors (1).

43700350273 is an equidigital number, since it uses as much as digits as its factorization.

43700350273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 34.

The spelling of 43700350273 in words is "forty-three billion, seven hundred million, three hundred fifty thousand, two hundred seventy-three".