1009977556739 has 2 divisors, whose sum is σ = 1009977556740. Its totient is φ = 1009977556738.

The previous prime is 1009977556703. The next prime is 1009977556769. The reversal of 1009977556739 is 9376557799001.

It is a strong prime.

It is an emirp because it is prime and its reverse (9376557799001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1009977556739 - 2³⁶ = 941258080003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1009977556769) 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, 504988778369 + 504988778370.

It is an arithmetic number, because the mean of its divisors is an integer number (504988778370).

Almost surely, 2^{1009977556739} is an apocalyptic number.

1009977556739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009977556739 is an equidigital number, since it uses as much as digits as its factorization.

1009977556739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112521150, while the sum is 68.

The spelling of 1009977556739 in words is "one trillion, nine billion, nine hundred seventy-seven million, five hundred fifty-six thousand, seven hundred thirty-nine".