6905550489 has 4 divisors (see below), whose sum is σ = 9207400656. Its totient is φ = 4603700324.

The previous prime is 6905550481. The next prime is 6905550497. The reversal of 6905550489 is 9840555096.

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 an interprime number because it is at equal distance from previous prime (6905550481) and next prime (6905550497).

It is a cyclic number.

It is not a de Polignac number, because 6905550489 - 2³ = 6905550481 is a prime.

It is a super-2 number, since 2×6905550489² = 95373255112256278242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6905550481) 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, 1150925079 + ... + 1150925084.

It is an arithmetic number, because the mean of its divisors is an integer number (2301850164).

Almost surely, 2^6905550489 is an apocalyptic number.

It is an amenable number.

6905550489 is a deficient number, since it is larger than the sum of its proper divisors (2301850167).

6905550489 is a wasteful number, since it uses less digits than its factorization.

6905550489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301850166.

The product of its (nonzero) digits is 1944000, while the sum is 51.

The square root of 6905550489 is about 83099.6419306365. The cubic root of 6905550489 is about 1904.2886034205.

The spelling of 6905550489 in words is "six billion, nine hundred five million, five hundred fifty thousand, four hundred eighty-nine".