1012023648049 has 2 divisors, whose sum is σ = 1012023648050. Its totient is φ = 1012023648048.

The previous prime is 1012023648047. The next prime is 1012023648073. The reversal of 1012023648049 is 9408463202101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 870153152400 + 141870495649 = 932820^2 + 376657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012023648049 - 2¹ = 1012023648047 is a prime.

Together with 1012023648047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1012023648047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506011824024 + 506011824025.

It is an arithmetic number, because the mean of its divisors is an integer number (506011824025).

Almost surely, 2^{1012023648049} is an apocalyptic number.

It is an amenable number.

1012023648049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012023648049 is an equidigital number, since it uses as much as digits as its factorization.

1012023648049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 1012023648049 in words is "one trillion, twelve billion, twenty-three million, six hundred forty-eight thousand, forty-nine".