1029401982977 has 2 divisors, whose sum is σ = 1029401982978. Its totient is φ = 1029401982976.

The previous prime is 1029401982953. The next prime is 1029401983013. The reversal of 1029401982977 is 7792891049201.

1029401982977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 661255206976 + 368146776001 = 813176^2 + 606751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029401982977 - 2³⁰ = 1028328241153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1029401982937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514700991488 + 514700991489.

It is an arithmetic number, because the mean of its divisors is an integer number (514700991489).

Almost surely, 2^{1029401982977} is an apocalyptic number.

It is an amenable number.

1029401982977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029401982977 is an equidigital number, since it uses as much as digits as its factorization.

1029401982977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 59.

The spelling of 1029401982977 in words is "one trillion, twenty-nine billion, four hundred one million, nine hundred eighty-two thousand, nine hundred seventy-seven".