43264054885657 has 2 divisors, whose sum is σ = 43264054885658. Its totient is φ = 43264054885656.

The previous prime is 43264054885613. The next prime is 43264054885687. The reversal of 43264054885657 is 75658845046234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28666986472336 + 14597068413321 = 5354156^2 + 3820611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43264054885657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43264054885592 and 43264054885601.

It is not a weakly prime, because it can be changed into another prime (43264054885687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21632027442828 + 21632027442829.

It is an arithmetic number, because the mean of its divisors is an integer number (21632027442829).

Almost surely, 2^{43264054885657} is an apocalyptic number.

It is an amenable number.

43264054885657 is a deficient number, since it is larger than the sum of its proper divisors (1).

43264054885657 is an equidigital number, since it uses as much as digits as its factorization.

43264054885657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144000, while the sum is 67.

The spelling of 43264054885657 in words is "forty-three trillion, two hundred sixty-four billion, fifty-four million, eight hundred eighty-five thousand, six hundred fifty-seven".