676405619 has 2 divisors, whose sum is σ = 676405620. Its totient is φ = 676405618.

The previous prime is 676405603. The next prime is 676405633. The reversal of 676405619 is 916504676.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 676405619 - 2⁴ = 676405603 is a prime.

It is a super-2 number, since 2×676405619² = 915049122829546322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 676405619.

It is not a weakly prime, because it can be changed into another prime (676405649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338202809 + 338202810.

It is an arithmetic number, because the mean of its divisors is an integer number (338202810).

Almost surely, 2^676405619 is an apocalyptic number.

676405619 is a deficient number, since it is larger than the sum of its proper divisors (1).

676405619 is an equidigital number, since it uses as much as digits as its factorization.

676405619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 676405619 is about 26007.7991956259. The cubic root of 676405619 is about 877.8137963173.

The spelling of 676405619 in words is "six hundred seventy-six million, four hundred five thousand, six hundred nineteen".