653247143551 has 2 divisors, whose sum is σ = 653247143552. Its totient is φ = 653247143550.

The previous prime is 653247143459. The next prime is 653247143561. The reversal of 653247143551 is 155341742356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 653247143551 - 2³³ = 644657208959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653247143561) 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 as a sum of consecutive naturals, namely, 326623571775 + 326623571776.

It is an arithmetic number, because the mean of its divisors is an integer number (326623571776).

Almost surely, 2^653247143551 is an apocalyptic number.

653247143551 is a deficient number, since it is larger than the sum of its proper divisors (1).

653247143551 is an equidigital number, since it uses as much as digits as its factorization.

653247143551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 46.

The spelling of 653247143551 in words is "six hundred fifty-three billion, two hundred forty-seven million, one hundred forty-three thousand, five hundred fifty-one".