501472345570657 has 2 divisors, whose sum is σ = 501472345570658. Its totient is φ = 501472345570656.

The previous prime is 501472345570643. The next prime is 501472345570709. The reversal of 501472345570657 is 756075543274105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500355876500496 + 1116469070161 = 22368636^2 + 1056631^2 .

It is a cyclic number.

It is not a de Polignac number, because 501472345570657 - 2⁴³ = 492676252548449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501472345570595 and 501472345570604.

It is not a weakly prime, because it can be changed into another prime (501472345579657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250736172785328 + 250736172785329.

It is an arithmetic number, because the mean of its divisors is an integer number (250736172785329).

Almost surely, 2^{501472345570657} is an apocalyptic number.

It is an amenable number.

501472345570657 is a deficient number, since it is larger than the sum of its proper divisors (1).

501472345570657 is an equidigital number, since it uses as much as digits as its factorization.

501472345570657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480000, while the sum is 61.

The spelling of 501472345570657 in words is "five hundred one trillion, four hundred seventy-two billion, three hundred forty-five million, five hundred seventy thousand, six hundred fifty-seven".