1604764199 has 2 divisors, whose sum is σ = 1604764200. Its totient is φ = 1604764198.

The previous prime is 1604764153. The next prime is 1604764201. The reversal of 1604764199 is 9914674061.

It is a strong prime.

It is an emirp because it is prime and its reverse (9914674061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1604764199 - 2¹² = 1604760103 is a prime.

It is a super-2 number, since 2×1604764199² = 5150536268784223202, which contains 22 as substring.

Together with 1604764201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1604754199) 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, 802382099 + 802382100.

It is an arithmetic number, because the mean of its divisors is an integer number (802382100).

Almost surely, 2^1604764199 is an apocalyptic number.

1604764199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604764199 is an equidigital number, since it uses as much as digits as its factorization.

1604764199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1604764199 is about 40059.5082221437. The cubic root of 1604764199 is about 1170.7668284944.

The spelling of 1604764199 in words is "one billion, six hundred four million, seven hundred sixty-four thousand, one hundred ninety-nine".