487922693 has 2 divisors, whose sum is σ = 487922694. Its totient is φ = 487922692.

The previous prime is 487922689. The next prime is 487922719. The reversal of 487922693 is 396229784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366416164 + 121506529 = 19142^2 + 11023^2 .

It is a cyclic number.

It is not a de Polignac number, because 487922693 - 2² = 487922689 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487922893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243961346 + 243961347.

It is an arithmetic number, because the mean of its divisors is an integer number (243961347).

Almost surely, 2^487922693 is an apocalyptic number.

It is an amenable number.

487922693 is a deficient number, since it is larger than the sum of its proper divisors (1).

487922693 is an equidigital number, since it uses as much as digits as its factorization.

487922693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 487922693 is about 22088.9722033416. The cubic root of 487922693 is about 787.2578608201.

It can be divided in two parts, 4879 and 22693, that added together give a palindrome (27572).

The spelling of 487922693 in words is "four hundred eighty-seven million, nine hundred twenty-two thousand, six hundred ninety-three".