6351051540643 has 4 divisors (see below), whose sum is σ = 6522701582320. Its totient is φ = 6179401498968.

The previous prime is 6351051540641. The next prime is 6351051540661. The reversal of 6351051540643 is 3460451501536.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6351051540643 - 2¹ = 6351051540641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6351051540643.

It is not an unprimeable number, because it can be changed into a prime (6351051540641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85825020783 + ... + 85825020856.

It is an arithmetic number, because the mean of its divisors is an integer number (1630675395580).

Almost surely, 2^{6351051540643} is an apocalyptic number.

6351051540643 is a deficient number, since it is larger than the sum of its proper divisors (171650041677).

6351051540643 is a wasteful number, since it uses less digits than its factorization.

6351051540643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171650041676.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 6351051540643 in words is "six trillion, three hundred fifty-one billion, fifty-one million, five hundred forty thousand, six hundred forty-three".