561935069 has 4 divisors (see below), whose sum is σ = 562053696. Its totient is φ = 561816444.

The previous prime is 561935063. The next prime is 561935081. The reversal of 561935069 is 960539165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 561935069 - 2²⁰ = 560886493 is a prime.

It is a super-2 number, since 2×561935069² = 631542043544069522, which 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 (561935063) 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, 51899 + ... + 61784.

It is an arithmetic number, because the mean of its divisors is an integer number (140513424).

Almost surely, 2^561935069 is an apocalyptic number.

It is an amenable number.

561935069 is a deficient number, since it is larger than the sum of its proper divisors (118627).

561935069 is a wasteful number, since it uses less digits than its factorization.

561935069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118626.

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 561935069 is about 23705.1696682390. The cubic root of 561935069 is about 825.2053698702.

The spelling of 561935069 in words is "five hundred sixty-one million, nine hundred thirty-five thousand, sixty-nine".