6346405463645 has 8 divisors (see below), whose sum is σ = 8201508599256. Its totient is φ = 4686576342336.

The previous prime is 6346405463603. The next prime is 6346405463653. The reversal of 6346405463645 is 5463645046436.

It can be written as a sum of positive squares in 4 ways, for example, as 56231111161 + 6290174352484 = 237131^2 + 2508022^2 .

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 6346405463645 - 2²⁶ = 6346338354781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 48818503502 + ... + 48818503631.

It is an arithmetic number, because the mean of its divisors is an integer number (1025188574907).

Almost surely, 2^{6346405463645} is an apocalyptic number.

6346405463645 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6346405463645 is a deficient number, since it is larger than the sum of its proper divisors (1855103135611).

6346405463645 is a wasteful number, since it uses less digits than its factorization.

6346405463645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97637007151.

The product of its (nonzero) digits is 74649600, while the sum is 56.

The spelling of 6346405463645 in words is "six trillion, three hundred forty-six billion, four hundred five million, four hundred sixty-three thousand, six hundred forty-five".