315742246647 has 8 divisors (see below), whose sum is σ = 420995729520. Its totient is φ = 210491797440.

The previous prime is 315742246643. The next prime is 315742246657. The reversal of 315742246647 is 746642247513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315742246647 - 2² = 315742246643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315742246647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315742246643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503304 + ... + 940637.

It is an arithmetic number, because the mean of its divisors is an integer number (52624466190).

Almost surely, 2^315742246647 is an apocalyptic number.

315742246647 is a deficient number, since it is larger than the sum of its proper divisors (105253482873).

315742246647 is a wasteful number, since it uses less digits than its factorization.

315742246647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516833.

The product of its digits is 6773760, while the sum is 51.

The spelling of 315742246647 in words is "three hundred fifteen billion, seven hundred forty-two million, two hundred forty-six thousand, six hundred forty-seven".