57895321609 has 2 divisors, whose sum is σ = 57895321610. Its totient is φ = 57895321608.

The previous prime is 57895321541. The next prime is 57895321619. The reversal of 57895321609 is 90612359875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57686432400 + 208889209 = 240180^2 + 14453^2 .

It is a cyclic number.

It is not a de Polignac number, because 57895321609 - 2¹³ = 57895313417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57895321609.

It is not a weakly prime, because it can be changed into another prime (57895321619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28947660804 + 28947660805.

It is an arithmetic number, because the mean of its divisors is an integer number (28947660805).

Almost surely, 2^57895321609 is an apocalyptic number.

It is an amenable number.

57895321609 is a deficient number, since it is larger than the sum of its proper divisors (1).

57895321609 is an equidigital number, since it uses as much as digits as its factorization.

57895321609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 57895321609 in words is "fifty-seven billion, eight hundred ninety-five million, three hundred twenty-one thousand, six hundred nine".