60645545249 has 2 divisors, whose sum is σ = 60645545250. Its totient is φ = 60645545248.

The previous prime is 60645545201. The next prime is 60645545273. The reversal of 60645545249 is 94254554606.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57037380625 + 3608164624 = 238825^2 + 60068^2 .

It is a cyclic number.

It is not a de Polignac number, because 60645545249 - 2²⁴ = 60628768033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60645545197 and 60645545206.

It is not a weakly prime, because it can be changed into another prime (60645545749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30322772624 + 30322772625.

It is an arithmetic number, because the mean of its divisors is an integer number (30322772625).

Almost surely, 2^60645545249 is an apocalyptic number.

It is an amenable number.

60645545249 is a deficient number, since it is larger than the sum of its proper divisors (1).

60645545249 is an equidigital number, since it uses as much as digits as its factorization.

60645545249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 60645545249 in words is "sixty billion, six hundred forty-five million, five hundred forty-five thousand, two hundred forty-nine".