572623506447 has 4 divisors (see below), whose sum is σ = 763498008600. Its totient is φ = 381749004296.

The previous prime is 572623506421. The next prime is 572623506463. The reversal of 572623506447 is 744605326275.

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 572623506447 - 2¹⁰ = 572623505423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 572623506447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572623501447) 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, 95437251072 + ... + 95437251077.

It is an arithmetic number, because the mean of its divisors is an integer number (190874502150).

Almost surely, 2^572623506447 is an apocalyptic number.

572623506447 is a deficient number, since it is larger than the sum of its proper divisors (190874502153).

572623506447 is a wasteful number, since it uses less digits than its factorization.

572623506447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190874502152.

The product of its (nonzero) digits is 8467200, while the sum is 51.

The spelling of 572623506447 in words is "five hundred seventy-two billion, six hundred twenty-three million, five hundred six thousand, four hundred forty-seven".