1143190641973 has 4 divisors (see below), whose sum is σ = 1180067759488. Its totient is φ = 1106313524460.

The previous prime is 1143190641961. The next prime is 1143190641979. The reversal of 1143190641973 is 3791460913411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1143190641973 - 2¹⁷ = 1143190510901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143190641979) 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, 18438558711 + ... + 18438558772.

It is an arithmetic number, because the mean of its divisors is an integer number (295016939872).

Almost surely, 2^{1143190641973} is an apocalyptic number.

It is an amenable number.

1143190641973 is a deficient number, since it is larger than the sum of its proper divisors (36877117515).

1143190641973 is an equidigital number, since it uses as much as digits as its factorization.

1143190641973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36877117514.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 1143190641973 in words is "one trillion, one hundred forty-three billion, one hundred ninety million, six hundred forty-one thousand, nine hundred seventy-three".