1969030087 has 2 divisors, whose sum is σ = 1969030088. Its totient is φ = 1969030086.

The previous prime is 1969030061. The next prime is 1969030093. The reversal of 1969030087 is 7800309691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1969030087 is a prime.

It is a super-2 number, since 2×1969030087² = 7754158967022455138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1969130087) 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, 984515043 + 984515044.

It is an arithmetic number, because the mean of its divisors is an integer number (984515044).

Almost surely, 2^1969030087 is an apocalyptic number.

1969030087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1969030087 is an equidigital number, since it uses as much as digits as its factorization.

1969030087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1969030087 is about 44373.7544839289. The cubic root of 1969030087 is about 1253.3839162489.

The spelling of 1969030087 in words is "one billion, nine hundred sixty-nine million, thirty thousand, eighty-seven".