487892450813 has 2 divisors, whose sum is σ = 487892450814. Its totient is φ = 487892450812.

The previous prime is 487892450803. The next prime is 487892450831. The reversal of 487892450813 is 318054298784.

Together with next prime (487892450831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417235899844 + 70656550969 = 645938^2 + 265813^2 .

It is a cyclic number.

It is not a de Polignac number, because 487892450813 - 2⁴ = 487892450797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487892450803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243946225406 + 243946225407.

It is an arithmetic number, because the mean of its divisors is an integer number (243946225407).

Almost surely, 2^487892450813 is an apocalyptic number.

It is an amenable number.

487892450813 is a deficient number, since it is larger than the sum of its proper divisors (1).

487892450813 is an equidigital number, since it uses as much as digits as its factorization.

487892450813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 487892450813 in words is "four hundred eighty-seven billion, eight hundred ninety-two million, four hundred fifty thousand, eight hundred thirteen".