34453519987 has 2 divisors, whose sum is σ = 34453519988. Its totient is φ = 34453519986.

The previous prime is 34453519979. The next prime is 34453520027. The reversal of 34453519987 is 78991535443.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34453519987 - 2³ = 34453519979 is a prime.

It is not a weakly prime, because it can be changed into another prime (34453519937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17226759993 + 17226759994.

It is an arithmetic number, because the mean of its divisors is an integer number (17226759994).

Almost surely, 2^34453519987 is an apocalyptic number.

34453519987 is a deficient number, since it is larger than the sum of its proper divisors (1).

34453519987 is an equidigital number, since it uses as much as digits as its factorization.

34453519987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 58.

The spelling of 34453519987 in words is "thirty-four billion, four hundred fifty-three million, five hundred nineteen thousand, nine hundred eighty-seven".