1052190073889 has 4 divisors (see below), whose sum is σ = 1088472490260. Its totient is φ = 1015907657520.

The previous prime is 1052190073867. The next prime is 1052190073939. The reversal of 1052190073889 is 9883700912501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 504874197025 + 547315876864 = 710545^2 + 739808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052190073889 is a prime.

It is a super-2 number, since 2×1052190073889² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1052190073889.

It is not an unprimeable number, because it can be changed into a prime (1052190073819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18141208142 + ... + 18141208199.

It is an arithmetic number, because the mean of its divisors is an integer number (272118122565).

Almost surely, 2^{1052190073889} is an apocalyptic number.

It is an amenable number.

1052190073889 is a deficient number, since it is larger than the sum of its proper divisors (36282416371).

1052190073889 is an equidigital number, since it uses as much as digits as its factorization.

1052190073889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36282416370.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 1052190073889 in words is "one trillion, fifty-two billion, one hundred ninety million, seventy-three thousand, eight hundred eighty-nine".