43534053457 has 2 divisors, whose sum is σ = 43534053458. Its totient is φ = 43534053456.

The previous prime is 43534053419. The next prime is 43534053461. The reversal of 43534053457 is 75435043534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41538108481 + 1995944976 = 203809^2 + 44676^2 .

It is a cyclic number.

It is not a de Polignac number, because 43534053457 - 2³⁵ = 9174315089 is a prime.

It is not a weakly prime, because it can be changed into another prime (43534053757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21767026728 + 21767026729.

It is an arithmetic number, because the mean of its divisors is an integer number (21767026729).

Almost surely, 2^43534053457 is an apocalyptic number.

It is an amenable number.

43534053457 is a deficient number, since it is larger than the sum of its proper divisors (1).

43534053457 is an equidigital number, since it uses as much as digits as its factorization.

43534053457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512000, while the sum is 43.

The spelling of 43534053457 in words is "forty-three billion, five hundred thirty-four million, fifty-three thousand, four hundred fifty-seven".