1029961881023 has 2 divisors, whose sum is σ = 1029961881024. Its totient is φ = 1029961881022.

The previous prime is 1029961880993. The next prime is 1029961881029. The reversal of 1029961881023 is 3201881699201.

It is a strong prime.

It is an emirp because it is prime and its reverse (3201881699201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1029961881023 - 2¹⁴ = 1029961864639 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1029961881029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514980940511 + 514980940512.

It is an arithmetic number, because the mean of its divisors is an integer number (514980940512).

Almost surely, 2^{1029961881023} is an apocalyptic number.

1029961881023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029961881023 is an equidigital number, since it uses as much as digits as its factorization.

1029961881023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 1029961881023 in words is "one trillion, twenty-nine billion, nine hundred sixty-one million, eight hundred eighty-one thousand, twenty-three".