655025969041 has 4 divisors (see below), whose sum is σ = 655847834292. Its totient is φ = 654204103792.

The previous prime is 655025969033. The next prime is 655025969063. The reversal of 655025969041 is 140969520556.

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 456759705600 + 198266263441 = 675840^2 + 445271^2 .

It is a cyclic number.

It is not a de Polignac number, because 655025969041 - 2³ = 655025969033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655025969041.

It is not an unprimeable number, because it can be changed into a prime (655025169041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410931430 + ... + 410933023.

It is an arithmetic number, because the mean of its divisors is an integer number (163961958573).

Almost surely, 2^655025969041 is an apocalyptic number.

It is an amenable number.

655025969041 is a deficient number, since it is larger than the sum of its proper divisors (821865251).

655025969041 is an equidigital number, since it uses as much as digits as its factorization.

655025969041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821865250.

The product of its (nonzero) digits is 2916000, while the sum is 52.

The spelling of 655025969041 in words is "six hundred fifty-five billion, twenty-five million, nine hundred sixty-nine thousand, forty-one".