2366561431 has 4 divisors (see below), whose sum is σ = 2548604632. Its totient is φ = 2184518232.

The previous prime is 2366561399. The next prime is 2366561453. The reversal of 2366561431 is 1341656632.

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

It is not a de Polignac number, because 2366561431 - 2⁵ = 2366561399 is a prime.

It is a super-2 number, since 2×2366561431² = 11201226013393535522, 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 (2366561831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91021581 + ... + 91021606.

It is an arithmetic number, because the mean of its divisors is an integer number (637151158).

Almost surely, 2^2366561431 is an apocalyptic number.

2366561431 is a deficient number, since it is larger than the sum of its proper divisors (182043201).

2366561431 is a wasteful number, since it uses less digits than its factorization.

2366561431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182043200.

The product of its digits is 77760, while the sum is 37.

The square root of 2366561431 is about 48647.3167913709. The cubic root of 2366561431 is about 1332.6187743239.

The spelling of 2366561431 in words is "two billion, three hundred sixty-six million, five hundred sixty-one thousand, four hundred thirty-one".