1052993947849 has 2 divisors, whose sum is σ = 1052993947850. Its totient is φ = 1052993947848.

The previous prime is 1052993947847. The next prime is 1052993947853. The reversal of 1052993947849 is 9487493992501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1038034945600 + 14959002249 = 1018840^2 + 122307^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052993947849 - 2¹ = 1052993947847 is a prime.

It is a super-2 number, since 2×1052993947849² (a number of 25 digits) contains 22 as substring.

Together with 1052993947847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1052993947847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526496973924 + 526496973925.

It is an arithmetic number, because the mean of its divisors is an integer number (526496973925).

Almost surely, 2^{1052993947849} is an apocalyptic number.

It is an amenable number.

1052993947849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052993947849 is an equidigital number, since it uses as much as digits as its factorization.

1052993947849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176359680, while the sum is 70.

The spelling of 1052993947849 in words is "one trillion, fifty-two billion, nine hundred ninety-three million, nine hundred forty-seven thousand, eight hundred forty-nine".