43275426808457 has 2 divisors, whose sum is σ = 43275426808458. Its totient is φ = 43275426808456.

The previous prime is 43275426808337. The next prime is 43275426808499. The reversal of 43275426808457 is 75480862457234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36413693709376 + 6861733099081 = 6034376^2 + 2619491^2 .

It is a cyclic number.

It is not a de Polignac number, because 43275426808457 - 2¹⁰ = 43275426807433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43275426808393 and 43275426808402.

It is not a weakly prime, because it can be changed into another prime (43275426801457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21637713404228 + 21637713404229.

It is an arithmetic number, because the mean of its divisors is an integer number (21637713404229).

Almost surely, 2^{43275426808457} is an apocalyptic number.

It is an amenable number.

43275426808457 is a deficient number, since it is larger than the sum of its proper divisors (1).

43275426808457 is an equidigital number, since it uses as much as digits as its factorization.

43275426808457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 361267200, while the sum is 65.

The spelling of 43275426808457 in words is "forty-three trillion, two hundred seventy-five billion, four hundred twenty-six million, eight hundred eight thousand, four hundred fifty-seven".