6834898070639 has 16 divisors (see below), whose sum is σ = 6972430565376. Its totient is φ = 6698619648000.

The previous prime is 6834898070617. The next prime is 6834898070653. The reversal of 6834898070639 is 9360708984386.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6834898070639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6834898070699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8501714 + ... + 9270864.

It is an arithmetic number, because the mean of its divisors is an integer number (435776910336).

Almost surely, 2^{6834898070639} is an apocalyptic number.

6834898070639 is a deficient number, since it is larger than the sum of its proper divisors (137532494737).

6834898070639 is a wasteful number, since it uses less digits than its factorization.

6834898070639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769966.

The product of its (nonzero) digits is 376233984, while the sum is 71.

The spelling of 6834898070639 in words is "six trillion, eight hundred thirty-four billion, eight hundred ninety-eight million, seventy thousand, six hundred thirty-nine".