1626063605273 has 4 divisors (see below), whose sum is σ = 1627241060388. Its totient is φ = 1624886150160.

The previous prime is 1626063605263. The next prime is 1626063605347. The reversal of 1626063605273 is 3725063606261.

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 1268128236544 + 357935368729 = 1126112^2 + 598277^2 .

It is a cyclic number.

It is not a de Polignac number, because 1626063605273 - 2²⁰ = 1626062556697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1626063605203) 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, 588725486 + ... + 588728247.

It is an arithmetic number, because the mean of its divisors is an integer number (406810265097).

Almost surely, 2^{1626063605273} is an apocalyptic number.

It is an amenable number.

1626063605273 is a deficient number, since it is larger than the sum of its proper divisors (1177455115).

1626063605273 is a wasteful number, since it uses less digits than its factorization.

1626063605273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177455114.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 1626063605273 in words is "one trillion, six hundred twenty-six billion, sixty-three million, six hundred five thousand, two hundred seventy-three".