1024645220623 has 24 divisors (see below), whose sum is σ = 1126547533440. Its totient is φ = 930582818880.

The previous prime is 1024645220593. The next prime is 1024645220681. The reversal of 1024645220623 is 3260225464201.

It is not a de Polignac number, because 1024645220623 - 2¹³ = 1024645212431 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 (1024645220323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279693 + ... + 1458601.

It is an arithmetic number, because the mean of its divisors is an integer number (46939480560).

Almost surely, 2^{1024645220623} is an apocalyptic number.

1024645220623 is a deficient number, since it is larger than the sum of its proper divisors (101902312817).

1024645220623 is a wasteful number, since it uses less digits than its factorization.

1024645220623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179039 (or 1179016 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 1024645220623 in words is "one trillion, twenty-four billion, six hundred forty-five million, two hundred twenty thousand, six hundred twenty-three".