1608959419 has 2 divisors, whose sum is σ = 1608959420. Its totient is φ = 1608959418.

The previous prime is 1608959293. The next prime is 1608959431. The reversal of 1608959419 is 9149598061.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1608959419 is a prime.

It is a super-2 number, since 2×1608959419² = 5177500823977635122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1608959519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804479709 + 804479710.

It is an arithmetic number, because the mean of its divisors is an integer number (804479710).

Almost surely, 2^1608959419 is an apocalyptic number.

1608959419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608959419 is an equidigital number, since it uses as much as digits as its factorization.

1608959419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 52.

The square root of 1608959419 is about 40111.8363952587. The cubic root of 1608959419 is about 1171.7861580189.

The spelling of 1608959419 in words is "one billion, six hundred eight million, nine hundred fifty-nine thousand, four hundred nineteen".