487249224661 has 4 divisors (see below), whose sum is σ = 490238483872. Its totient is φ = 484259965452.

The previous prime is 487249224643. The next prime is 487249224667. The reversal of 487249224661 is 166422942784.

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 487249224661 - 2¹³ = 487249216469 is a prime.

It is a super-3 number, since 3×487249224661³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487249224667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494629361 + ... + 1494629686.

It is an arithmetic number, because the mean of its divisors is an integer number (122559620968).

Almost surely, 2^487249224661 is an apocalyptic number.

It is an amenable number.

487249224661 is a deficient number, since it is larger than the sum of its proper divisors (2989259211).

487249224661 is a wasteful number, since it uses less digits than its factorization.

487249224661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989259210.

The product of its digits is 9289728, while the sum is 55.

The spelling of 487249224661 in words is "four hundred eighty-seven billion, two hundred forty-nine million, two hundred twenty-four thousand, six hundred sixty-one".