6343474632889 has 4 divisors (see below), whose sum is σ = 6343862368500. Its totient is φ = 6343086897280.

The previous prime is 6343474632763. The next prime is 6343474632893. The reversal of 6343474632889 is 9882364743436.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4101402636864 + 2242071996025 = 2025192^2 + 1497355^2 .

It is a cyclic number.

It is not a de Polignac number, because 6343474632889 - 2⁹ = 6343474632377 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6343474632899) 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, 193843264 + ... + 193875985.

It is an arithmetic number, because the mean of its divisors is an integer number (1585965592125).

Almost surely, 2^{6343474632889} is an apocalyptic number.

It is an amenable number.

6343474632889 is a deficient number, since it is larger than the sum of its proper divisors (387735611).

6343474632889 is a wasteful number, since it uses less digits than its factorization.

6343474632889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387735610.

The product of its digits is 501645312, while the sum is 67.

The spelling of 6343474632889 in words is "six trillion, three hundred forty-three billion, four hundred seventy-four million, six hundred thirty-two thousand, eight hundred eighty-nine".