653643132541 has 8 divisors (see below), whose sum is σ = 748086378624. Its totient is φ = 559466300400.

The previous prime is 653643132521. The next prime is 653643132553. The reversal of 653643132541 is 145231346356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 653643132541 - 2⁹ = 653643132029 is a prime.

It is a super-2 number, since 2×653643132541² (a number of 24 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 (653643132511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66598225 + ... + 66608038.

It is an arithmetic number, because the mean of its divisors is an integer number (93510797328).

Almost surely, 2^653643132541 is an apocalyptic number.

It is an amenable number.

653643132541 is a deficient number, since it is larger than the sum of its proper divisors (94443246083).

653643132541 is a wasteful number, since it uses less digits than its factorization.

653643132541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133206971.

The product of its digits is 777600, while the sum is 43.

Adding to 653643132541 its reverse (145231346356), we get a palindrome (798874478897).

The spelling of 653643132541 in words is "six hundred fifty-three billion, six hundred forty-three million, one hundred thirty-two thousand, five hundred forty-one".