3345689987 has 2 divisors, whose sum is σ = 3345689988. Its totient is φ = 3345689986.

The previous prime is 3345689983. The next prime is 3345689999. The reversal of 3345689987 is 7899865433.

It is a weak prime.

It is an emirp because it is prime and its reverse (7899865433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3345689987 - 2² = 3345689983 is a prime.

It is a super-2 number, since 2×3345689987² = 22387282978224120338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3345689983) 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, 1672844993 + 1672844994.

It is an arithmetic number, because the mean of its divisors is an integer number (1672844994).

Almost surely, 2^3345689987 is an apocalyptic number.

3345689987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345689987 is an equidigital number, since it uses as much as digits as its factorization.

3345689987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39191040, while the sum is 62.

The square root of 3345689987 is about 57841.9396891218. The cubic root of 3345689987 is about 1495.6451449120.

The spelling of 3345689987 in words is "three billion, three hundred forty-five million, six hundred eighty-nine thousand, nine hundred eighty-seven".