34003642785 has 32 divisors (see below), whose sum is σ = 62191107072. Its totient is φ = 15541268160.

The previous prime is 34003642679. The next prime is 34003642891. The reversal of 34003642785 is 58724630043.

It is an interprime number because it is at equal distance from previous prime (34003642679) and next prime (34003642891).

It is not a de Polignac number, because 34003642785 - 2⁹ = 34003642273 is a prime.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 511642 + ... + 574268.

It is an arithmetic number, because the mean of its divisors is an integer number (1943472096).

Almost surely, 2^34003642785 is an apocalyptic number.

34003642785 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34003642785 is a deficient number, since it is larger than the sum of its proper divisors (28187464287).

34003642785 is a wasteful number, since it uses less digits than its factorization.

34003642785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67813.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 34003642785 in words is "thirty-four billion, three million, six hundred forty-two thousand, seven hundred eighty-five".