1029961880993 has 2 divisors, whose sum is σ = 1029961880994. Its totient is φ = 1029961880992.

The previous prime is 1029961880989. The next prime is 1029961881023. The reversal of 1029961880993 is 3990881699201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766416204304 + 263545676689 = 875452^2 + 513367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029961880993 - 2² = 1029961880989 is a prime.

It is not a weakly prime, because it can be changed into another prime (1029961880093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514980940496 + 514980940497.

It is an arithmetic number, because the mean of its divisors is an integer number (514980940497).

Almost surely, 2^{1029961880993} is an apocalyptic number.

It is an amenable number.

1029961880993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029961880993 is an equidigital number, since it uses as much as digits as its factorization.

1029961880993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15116544, while the sum is 65.

The spelling of 1029961880993 in words is "one trillion, twenty-nine billion, nine hundred sixty-one million, eight hundred eighty thousand, nine hundred ninety-three".