487973369 has 4 divisors (see below), whose sum is σ = 525509796. Its totient is φ = 450436944.

The previous prime is 487973357. The next prime is 487973419. The reversal of 487973369 is 963379784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220225600 + 267747769 = 14840^2 + 16363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487973369 is a prime.

It is a super-2 number, since 2×487973369² = 476236017706420322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487973309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18768194 + ... + 18768219.

It is an arithmetic number, because the mean of its divisors is an integer number (131377449).

Almost surely, 2^487973369 is an apocalyptic number.

It is an amenable number.

487973369 is a deficient number, since it is larger than the sum of its proper divisors (37536427).

487973369 is a wasteful number, since it uses less digits than its factorization.

487973369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37536426.

The product of its digits is 6858432, while the sum is 56.

The square root of 487973369 is about 22090.1192617876. The cubic root of 487973369 is about 787.2851149314.

The spelling of 487973369 in words is "four hundred eighty-seven million, nine hundred seventy-three thousand, three hundred sixty-nine".