406748567563 has 4 divisors (see below), whose sum is σ = 438036918928. Its totient is φ = 375460216200.

The previous prime is 406748567509. The next prime is 406748567579. The reversal of 406748567563 is 365765847604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406748567563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406748567663) 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, 15644175663 + ... + 15644175688.

It is an arithmetic number, because the mean of its divisors is an integer number (109509229732).

Almost surely, 2^406748567563 is an apocalyptic number.

406748567563 is a deficient number, since it is larger than the sum of its proper divisors (31288351365).

406748567563 is a wasteful number, since it uses less digits than its factorization.

406748567563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31288351364.

The product of its (nonzero) digits is 101606400, while the sum is 61.

The spelling of 406748567563 in words is "four hundred six billion, seven hundred forty-eight million, five hundred sixty-seven thousand, five hundred sixty-three".