674616919 has 2 divisors, whose sum is σ = 674616920. Its totient is φ = 674616918.

The previous prime is 674616889. The next prime is 674616941. The reversal of 674616919 is 919616476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674616919 - 2⁹ = 674616407 is a prime.

It is a super-2 number, since 2×674616919² = 910215974802105122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674616959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337308459 + 337308460.

It is an arithmetic number, because the mean of its divisors is an integer number (337308460).

Almost surely, 2^674616919 is an apocalyptic number.

674616919 is a deficient number, since it is larger than the sum of its proper divisors (1).

674616919 is an equidigital number, since it uses as much as digits as its factorization.

674616919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 674616919 is about 25973.3886699445. The cubic root of 674616919 is about 877.0393440404.

The spelling of 674616919 in words is "six hundred seventy-four million, six hundred sixteen thousand, nine hundred nineteen".