1024022402653 has 4 divisors (see below), whose sum is σ = 1024640402140. Its totient is φ = 1023404403168.

The previous prime is 1024022402633. The next prime is 1024022402681. The reversal of 1024022402653 is 3562042204201.

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 309316170244 + 714706232409 = 556162^2 + 845403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024022402653 - 2⁵ = 1024022402621 is a prime.

It is a super-2 number, since 2×1024022402653² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024022402603) 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, 308997258 + ... + 309000571.

It is an arithmetic number, because the mean of its divisors is an integer number (256160100535).

Almost surely, 2^{1024022402653} is an apocalyptic number.

It is an amenable number.

1024022402653 is a deficient number, since it is larger than the sum of its proper divisors (617999487).

1024022402653 is an equidigital number, since it uses as much as digits as its factorization.

1024022402653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617999486.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1024022402653 its reverse (3562042204201), we get a palindrome (4586064606854).

The spelling of 1024022402653 in words is "one trillion, twenty-four billion, twenty-two million, four hundred two thousand, six hundred fifty-three".