447320231562463 has 4 divisors (see below), whose sum is σ = 511223121785680. Its totient is φ = 383417341339248.

The previous prime is 447320231562377. The next prime is 447320231562467. The reversal of 447320231562463 is 364265132023744.

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 447320231562463 - 2¹³ = 447320231554271 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 447320231562463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447320231562467) 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, 31951445111598 + ... + 31951445111611.

It is an arithmetic number, because the mean of its divisors is an integer number (127805780446420).

Almost surely, 2^{447320231562463} is an apocalyptic number.

447320231562463 is a deficient number, since it is larger than the sum of its proper divisors (63902890223217).

447320231562463 is an equidigital number, since it uses as much as digits as its factorization.

447320231562463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63902890223216.

The product of its (nonzero) digits is 17418240, while the sum is 52.

The spelling of 447320231562463 in words is "four hundred forty-seven trillion, three hundred twenty billion, two hundred thirty-one million, five hundred sixty-two thousand, four hundred sixty-three".