1053662301421 has 4 divisors (see below), whose sum is σ = 1054102614012. Its totient is φ = 1053221988832.

The previous prime is 1053662301401. The next prime is 1053662301437. The reversal of 1053662301421 is 1241032663501.

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 232599785796 + 821062515625 = 482286^2 + 906125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053662301421 - 2¹⁷ = 1053662170349 is a prime.

It is a super-2 number, since 2×1053662301421² (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 (1053662301401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220152706 + ... + 220157491.

It is an arithmetic number, because the mean of its divisors is an integer number (263525653503).

Almost surely, 2^{1053662301421} is an apocalyptic number.

It is an amenable number.

1053662301421 is a deficient number, since it is larger than the sum of its proper divisors (440312591).

1053662301421 is an equidigital number, since it uses as much as digits as its factorization.

1053662301421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440312590.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 1053662301421 its reverse (1241032663501), we get a palindrome (2294694964922).

The spelling of 1053662301421 in words is "one trillion, fifty-three billion, six hundred sixty-two million, three hundred one thousand, four hundred twenty-one".