1021109596739 has 2 divisors, whose sum is σ = 1021109596740. Its totient is φ = 1021109596738.

The previous prime is 1021109596697. The next prime is 1021109596751. The reversal of 1021109596739 is 9376959011201.

It is a strong prime.

It is an emirp because it is prime and its reverse (9376959011201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021109596739 - 2⁸ = 1021109596483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021109596799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510554798369 + 510554798370.

It is an arithmetic number, because the mean of its divisors is an integer number (510554798370).

Almost surely, 2^{1021109596739} is an apocalyptic number.

1021109596739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021109596739 is an equidigital number, since it uses as much as digits as its factorization.

1021109596739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 53.

The spelling of 1021109596739 in words is "one trillion, twenty-one billion, one hundred nine million, five hundred ninety-six thousand, seven hundred thirty-nine".