487961369 has 4 divisors (see below), whose sum is σ = 557670144. Its totient is φ = 418252596.

The previous prime is 487961351. The next prime is 487961381. The reversal of 487961369 is 963169784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487961369 - 2¹⁶ = 487895833 is a prime.

It is a super-2 number, since 2×487961369² = 476212595272708322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 487961369.

It is not an unprimeable number, because it can be changed into a prime (487963369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34854377 + ... + 34854390.

It is an arithmetic number, because the mean of its divisors is an integer number (139417536).

Almost surely, 2^487961369 is an apocalyptic number.

It is an amenable number.

487961369 is a deficient number, since it is larger than the sum of its proper divisors (69708775).

487961369 is an equidigital number, since it uses as much as digits as its factorization.

487961369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69708774.

The product of its digits is 1959552, while the sum is 53.

The square root of 487961369 is about 22089.8476454683. The cubic root of 487961369 is about 787.2786613697.

The spelling of 487961369 in words is "four hundred eighty-seven million, nine hundred sixty-one thousand, three hundred sixty-nine".