4147313991 has 4 divisors (see below), whose sum is σ = 5529751992. Its totient is φ = 2764875992.

The previous prime is 4147313987. The next prime is 4147314011. The reversal of 4147313991 is 1993137414.

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 4147313991 - 2² = 4147313987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4147313921) 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, 691218996 + ... + 691219001.

It is an arithmetic number, because the mean of its divisors is an integer number (1382437998).

Almost surely, 2^4147313991 is an apocalyptic number.

4147313991 is a deficient number, since it is larger than the sum of its proper divisors (1382438001).

4147313991 is a wasteful number, since it uses less digits than its factorization.

4147313991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382438000.

The product of its digits is 81648, while the sum is 42.

The square root of 4147313991 is about 64399.6427862764. The cubic root of 4147313991 is about 1606.6538002266.

The spelling of 4147313991 in words is "four billion, one hundred forty-seven million, three hundred thirteen thousand, nine hundred ninety-one".