60488920781 has 2 divisors, whose sum is σ = 60488920782. Its totient is φ = 60488920780.

The previous prime is 60488920763. The next prime is 60488920823. The reversal of 60488920781 is 18702988406.

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., 59980418281 + 508502500 = 244909^2 + 22550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60488920781 is a prime.

It is a super-2 number, since 2×60488920781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60488920981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30244460390 + 30244460391.

It is an arithmetic number, because the mean of its divisors is an integer number (30244460391).

Almost surely, 2^60488920781 is an apocalyptic number.

It is an amenable number.

60488920781 is a deficient number, since it is larger than the sum of its proper divisors (1).

60488920781 is an equidigital number, since it uses as much as digits as its factorization.

60488920781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 60488920781 in words is "sixty billion, four hundred eighty-eight million, nine hundred twenty thousand, seven hundred eighty-one".