561369914 has 16 divisors (see below), whose sum is σ = 963631296. Its totient is φ = 240266400.

The previous prime is 561369889. The next prime is 561369923. The reversal of 561369914 is 419963165.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15692 + ... + 36999.

It is an arithmetic number, because the mean of its divisors is an integer number (60226956).

Almost surely, 2^561369914 is an apocalyptic number.

561369914 is a deficient number, since it is larger than the sum of its proper divisors (402261382).

561369914 is a wasteful number, since it uses less digits than its factorization.

561369914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53461.

The product of its digits is 174960, while the sum is 44.

The square root of 561369914 is about 23693.2461684759. The cubic root of 561369914 is about 824.9286324552.

The spelling of 561369914 in words is "five hundred sixty-one million, three hundred sixty-nine thousand, nine hundred fourteen".