374202991 has 2 divisors, whose sum is σ = 374202992. Its totient is φ = 374202990.

The previous prime is 374202989. The next prime is 374203001. The reversal of 374202991 is 199202473.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 374202991 - 2¹ = 374202989 is a prime.

Together with 374202989, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 374202991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374202911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187101495 + 187101496.

It is an arithmetic number, because the mean of its divisors is an integer number (187101496).

Almost surely, 2^374202991 is an apocalyptic number.

374202991 is a deficient number, since it is larger than the sum of its proper divisors (1).

374202991 is an equidigital number, since it uses as much as digits as its factorization.

374202991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 374202991 is about 19344.3271012460. The cubic root of 374202991 is about 720.6135401729.

The spelling of 374202991 in words is "three hundred seventy-four million, two hundred two thousand, nine hundred ninety-one".