676845019 has 4 divisors (see below), whose sum is σ = 678890200. Its totient is φ = 674799840.

The previous prime is 676845011. The next prime is 676845023. The reversal of 676845019 is 910548676.

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 676845019 - 2³ = 676845011 is a prime.

It is a super-2 number, since 2×676845019² = 916238359490220722, 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 676845019.

It is not an unprimeable number, because it can be changed into a prime (676845011) 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, 1022094 + ... + 1022755.

It is an arithmetic number, because the mean of its divisors is an integer number (169722550).

Almost surely, 2^676845019 is an apocalyptic number.

676845019 is a deficient number, since it is larger than the sum of its proper divisors (2045181).

676845019 is a wasteful number, since it uses less digits than its factorization.

676845019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045180.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 676845019 is about 26016.2452902028. The cubic root of 676845019 is about 878.0038341096.

The spelling of 676845019 in words is "six hundred seventy-six million, eight hundred forty-five thousand, nineteen".