43948929053 has 2 divisors, whose sum is σ = 43948929054. Its totient is φ = 43948929052.

The previous prime is 43948928963. The next prime is 43948929107. The reversal of 43948929053 is 35092984934.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27079335364 + 16869593689 = 164558^2 + 129883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43948929053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43948929053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43948929553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21974464526 + 21974464527.

It is an arithmetic number, because the mean of its divisors is an integer number (21974464527).

Almost surely, 2^43948929053 is an apocalyptic number.

It is an amenable number.

43948929053 is a deficient number, since it is larger than the sum of its proper divisors (1).

43948929053 is an equidigital number, since it uses as much as digits as its factorization.

43948929053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 43948929053 in words is "forty-three billion, nine hundred forty-eight million, nine hundred twenty-nine thousand, fifty-three".