551670019 has 4 divisors (see below), whose sum is σ = 575655696. Its totient is φ = 527684344.

The previous prime is 551669983. The next prime is 551670023. The reversal of 551670019 is 910076155.

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

It is a cyclic number.

It is not a de Polignac number, because 551670019 - 2⁷ = 551669891 is a prime.

It is a super-2 number, since 2×551670019² = 608679619726920722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551670059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11992804 + ... + 11992849.

It is an arithmetic number, because the mean of its divisors is an integer number (143913924).

Almost surely, 2^551670019 is an apocalyptic number.

551670019 is a deficient number, since it is larger than the sum of its proper divisors (23985677).

551670019 is a wasteful number, since it uses less digits than its factorization.

551670019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23985676.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 551670019 is about 23487.6567371034. The cubic root of 551670019 is about 820.1496945627.

The spelling of 551670019 in words is "five hundred fifty-one million, six hundred seventy thousand, nineteen".