6431684211058 has 4 divisors (see below), whose sum is σ = 9647526316590. Its totient is φ = 3215842105528.

The previous prime is 6431684211053. The next prime is 6431684211079. The reversal of 6431684211058 is 8501124861346.

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

It can be written as a sum of positive squares in only one way, i.e., 4667401613889 + 1764282597169 = 2160417^2 + 1328263^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6431684211053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607921052763 + ... + 1607921052766.

Almost surely, 2^{6431684211058} is an apocalyptic number.

6431684211058 is a deficient number, since it is larger than the sum of its proper divisors (3215842105532).

6431684211058 is a wasteful number, since it uses less digits than its factorization.

6431684211058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215842105531.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 6431684211058 in words is "six trillion, four hundred thirty-one billion, six hundred eighty-four million, two hundred eleven thousand, fifty-eight".