655847748571 has 2 divisors, whose sum is σ = 655847748572. Its totient is φ = 655847748570.

The previous prime is 655847748551. The next prime is 655847748587. The reversal of 655847748571 is 175847748556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655847748571 - 2⁵ = 655847748539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655847748497 and 655847748506.

It is not a weakly prime, because it can be changed into another prime (655847748551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327923874285 + 327923874286.

It is an arithmetic number, because the mean of its divisors is an integer number (327923874286).

Almost surely, 2^655847748571 is an apocalyptic number.

655847748571 is a deficient number, since it is larger than the sum of its proper divisors (1).

655847748571 is an equidigital number, since it uses as much as digits as its factorization.

655847748571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 263424000, while the sum is 67.

The spelling of 655847748571 in words is "six hundred fifty-five billion, eight hundred forty-seven million, seven hundred forty-eight thousand, five hundred seventy-one".