561312024719 has 4 divisors (see below), whose sum is σ = 563784765144. Its totient is φ = 558839284296.

The previous prime is 561312024709. The next prime is 561312024751. The reversal of 561312024719 is 917420213165.

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 561312024719 - 2⁸ = 561312024463 is a prime.

It is a super-2 number, since 2×561312024719² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561312024709) 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, 1236369872 + ... + 1236370325.

It is an arithmetic number, because the mean of its divisors is an integer number (140946191286).

Almost surely, 2^561312024719 is an apocalyptic number.

561312024719 is a deficient number, since it is larger than the sum of its proper divisors (2472740425).

561312024719 is a wasteful number, since it uses less digits than its factorization.

561312024719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472740424.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 561312024719 in words is "five hundred sixty-one billion, three hundred twelve million, twenty-four thousand, seven hundred nineteen".