6458778419351 has 16 divisors (see below), whose sum is σ = 6830261539200. Its totient is φ = 6097470021888.

The previous prime is 6458778419311. The next prime is 6458778419369. The reversal of 6458778419351 is 1539148778546.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6458778419351 is a prime.

It is a super-2 number, since 2×6458778419351² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6458778419311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885656 + ... + 3701613.

It is an arithmetic number, because the mean of its divisors is an integer number (426891346200).

Almost surely, 2^{6458778419351} is an apocalyptic number.

6458778419351 is a deficient number, since it is larger than the sum of its proper divisors (371483119849).

6458778419351 is a wasteful number, since it uses less digits than its factorization.

6458778419351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588378.

The product of its digits is 203212800, while the sum is 68.

The spelling of 6458778419351 in words is "six trillion, four hundred fifty-eight billion, seven hundred seventy-eight million, four hundred nineteen thousand, three hundred fifty-one".