1243292804673 has 8 divisors (see below), whose sum is σ = 1681071961536. Its totient is φ = 817187758800.

The previous prime is 1243292804669. The next prime is 1243292804701. The reversal of 1243292804673 is 3764082923421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1243292804673 - 2² = 1243292804669 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1243292802673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2918527498 + ... + 2918527923.

It is an arithmetic number, because the mean of its divisors is an integer number (210133995192).

Almost surely, 2^{1243292804673} is an apocalyptic number.

It is an amenable number.

1243292804673 is a deficient number, since it is larger than the sum of its proper divisors (437779156863).

1243292804673 is an equidigital number, since it uses as much as digits as its factorization.

1243292804673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837055495.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 1243292804673 in words is "one trillion, two hundred forty-three billion, two hundred ninety-two million, eight hundred four thousand, six hundred seventy-three".