1024197821473 has 2 divisors, whose sum is σ = 1024197821474. Its totient is φ = 1024197821472.

The previous prime is 1024197821377. The next prime is 1024197821497. The reversal of 1024197821473 is 3741287914201.

1024197821473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 739285273489 + 284912547984 = 859817^2 + 533772^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024197821473 - 2¹⁷ = 1024197690401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1024197821873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512098910736 + 512098910737.

It is an arithmetic number, because the mean of its divisors is an integer number (512098910737).

Almost surely, 2^{1024197821473} is an apocalyptic number.

It is an amenable number.

1024197821473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024197821473 is an equidigital number, since it uses as much as digits as its factorization.

1024197821473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 1024197821473 in words is "one trillion, twenty-four billion, one hundred ninety-seven million, eight hundred twenty-one thousand, four hundred seventy-three".