487198693 has 2 divisors, whose sum is σ = 487198694. Its totient is φ = 487198692.

The previous prime is 487198681. The next prime is 487198711. The reversal of 487198693 is 396891784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408929284 + 78269409 = 20222^2 + 8847^2 .

It is a cyclic number.

It is not a de Polignac number, because 487198693 - 2⁵ = 487198661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487198603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243599346 + 243599347.

It is an arithmetic number, because the mean of its divisors is an integer number (243599347).

Almost surely, 2^487198693 is an apocalyptic number.

It is an amenable number.

487198693 is a deficient number, since it is larger than the sum of its proper divisors (1).

487198693 is an equidigital number, since it uses as much as digits as its factorization.

487198693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The square root of 487198693 is about 22072.5778512615. The cubic root of 487198693 is about 786.8682794038.

The spelling of 487198693 in words is "four hundred eighty-seven million, one hundred ninety-eight thousand, six hundred ninety-three".