2674689991 has 2 divisors, whose sum is σ = 2674689992. Its totient is φ = 2674689990.

The previous prime is 2674689967. The next prime is 2674690009. The reversal of 2674689991 is 1999864762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2674689991 - 2⁷ = 2674689863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2674689961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1337344995 + 1337344996.

It is an arithmetic number, because the mean of its divisors is an integer number (1337344996).

Almost surely, 2^2674689991 is an apocalyptic number.

2674689991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2674689991 is an equidigital number, since it uses as much as digits as its factorization.

2674689991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 61.

The square root of 2674689991 is about 51717.4051069850. The cubic root of 2674689991 is about 1388.1119218037. Note that the first 3 decimals are identical.

The spelling of 2674689991 in words is "two billion, six hundred seventy-four million, six hundred eighty-nine thousand, nine hundred ninety-one".