1026236661443 has 4 divisors (see below), whose sum is σ = 1172841898800. Its totient is φ = 879631424088.

The previous prime is 1026236661409. The next prime is 1026236661449. The reversal of 1026236661443 is 3441666326201.

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

It is a cyclic number.

It is not a de Polignac number, because 1026236661443 - 2¹⁰ = 1026236660419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1026236661394 and 1026236661403.

It is not an unprimeable number, because it can be changed into a prime (1026236661449) 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, 73302618668 + ... + 73302618681.

It is an arithmetic number, because the mean of its divisors is an integer number (293210474700).

Almost surely, 2^{1026236661443} is an apocalyptic number.

1026236661443 is a deficient number, since it is larger than the sum of its proper divisors (146605237357).

1026236661443 is an equidigital number, since it uses as much as digits as its factorization.

1026236661443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146605237356.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 1026236661443 in words is "one trillion, twenty-six billion, two hundred thirty-six million, six hundred sixty-one thousand, four hundred forty-three".