60645233566553 has 2 divisors, whose sum is σ = 60645233566554. Its totient is φ = 60645233566552.

The previous prime is 60645233566529. The next prime is 60645233566591. The reversal of 60645233566553 is 35566533254606.

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., 50677498528969 + 9967735037584 = 7118813^2 + 3157172^2 .

It is a cyclic number.

It is not a de Polignac number, because 60645233566553 - 2⁴⁴ = 43053047522137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60645233566492 and 60645233566501.

It is not a weakly prime, because it can be changed into another prime (60645233566453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30322616783276 + 30322616783277.

It is an arithmetic number, because the mean of its divisors is an integer number (30322616783277).

Almost surely, 2^{60645233566553} is an apocalyptic number.

It is an amenable number.

60645233566553 is a deficient number, since it is larger than the sum of its proper divisors (1).

60645233566553 is an equidigital number, since it uses as much as digits as its factorization.

60645233566553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960000, while the sum is 59.

The spelling of 60645233566553 in words is "sixty trillion, six hundred forty-five billion, two hundred thirty-three million, five hundred sixty-six thousand, five hundred fifty-three".