653411254421 has 6 divisors (see below), whose sum is σ = 671548310370. Its totient is φ = 635751489456.

The previous prime is 653411254409. The next prime is 653411254429. The reversal of 653411254421 is 124452114356.

It can be written as a sum of positive squares in 3 ways, for example, as 458125922500 + 195285331921 = 676850^2 + 441911^2 .

It is not a de Polignac number, because 653411254421 - 2¹⁴ = 653411238037 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 (653411254429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238644086 + ... + 238646823.

It is an arithmetic number, because the mean of its divisors is an integer number (111924718395).

Almost surely, 2^653411254421 is an apocalyptic number.

It is an amenable number.

653411254421 is a deficient number, since it is larger than the sum of its proper divisors (18137055949).

653411254421 is an equidigital number, since it uses as much as digits as its factorization.

653411254421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477290983 (or 477290946 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

Adding to 653411254421 its reverse (124452114356), we get a palindrome (777863368777).

The spelling of 653411254421 in words is "six hundred fifty-three billion, four hundred eleven million, two hundred fifty-four thousand, four hundred twenty-one".