32243650561 has 2 divisors, whose sum is σ = 32243650562. Its totient is φ = 32243650560.

The previous prime is 32243650519. The next prime is 32243650583. The reversal of 32243650561 is 16505634223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19837032336 + 12406618225 = 140844^2 + 111385^2 .

It is a cyclic number.

It is not a de Polignac number, because 32243650561 - 2¹³ = 32243642369 is a prime.

It is a super-2 number, since 2×32243650561² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32243650561.

It is not a weakly prime, because it can be changed into another prime (32243650861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16121825280 + 16121825281.

It is an arithmetic number, because the mean of its divisors is an integer number (16121825281).

Almost surely, 2^32243650561 is an apocalyptic number.

It is an amenable number.

32243650561 is a deficient number, since it is larger than the sum of its proper divisors (1).

32243650561 is an equidigital number, since it uses as much as digits as its factorization.

32243650561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 32243650561 in words is "thirty-two billion, two hundred forty-three million, six hundred fifty thousand, five hundred sixty-one".