1050505009979 has 2 divisors, whose sum is σ = 1050505009980. Its totient is φ = 1050505009978.

The previous prime is 1050505009927. The next prime is 1050505010041. The reversal of 1050505009979 is 9799005050501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1050505009979 - 2²⁴ = 1050488232763 is a prime.

It is a super-2 number, since 2×1050505009979² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1050505009919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525252504989 + 525252504990.

It is an arithmetic number, because the mean of its divisors is an integer number (525252504990).

Almost surely, 2^{1050505009979} is an apocalyptic number.

1050505009979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050505009979 is an equidigital number, since it uses as much as digits as its factorization.

1050505009979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 637875, while the sum is 50.

The spelling of 1050505009979 in words is "one trillion, fifty billion, five hundred five million, nine thousand, nine hundred seventy-nine".