6425344435193 has 8 divisors (see below), whose sum is σ = 6476087794176. Its totient is φ = 6374626757200.

The previous prime is 6425344435187. The next prime is 6425344435229. The reversal of 6425344435193 is 3915344435246.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6425344435193 - 2¹² = 6425344431097 is a prime.

It is a super-3 number, since 3×6425344435193³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6425344435123) 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 7 ways as a sum of consecutive naturals, for example, 5917721 + ... + 6918822.

It is an arithmetic number, because the mean of its divisors is an integer number (809510974272).

Almost surely, 2^{6425344435193} is an apocalyptic number.

It is an amenable number.

6425344435193 is a deficient number, since it is larger than the sum of its proper divisors (50743358983).

6425344435193 is a wasteful number, since it uses less digits than its factorization.

6425344435193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840495.

The product of its digits is 18662400, while the sum is 53.

Adding to 6425344435193 its sum of digits (53), we get a palindrome (6425344435246).

The spelling of 6425344435193 in words is "six trillion, four hundred twenty-five billion, three hundred forty-four million, four hundred thirty-five thousand, one hundred ninety-three".