2345473666 has 8 divisors (see below), whose sum is σ = 3541823100. Its totient is φ = 1164865968.

The previous prime is 2345473643. The next prime is 2345473673. The reversal of 2345473666 is 6663745432.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2345368041 + 105625 = 48429^2 + 325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3935061 + ... + 3935656.

Almost surely, 2^2345473666 is an apocalyptic number.

2345473666 is a deficient number, since it is larger than the sum of its proper divisors (1196349434).

2345473666 is a wasteful number, since it uses less digits than its factorization.

2345473666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7870868.

The product of its digits is 2177280, while the sum is 46.

The square root of 2345473666 is about 48430.0905016705. The cubic root of 2345473666 is about 1328.6487616306.

The spelling of 2345473666 in words is "two billion, three hundred forty-five million, four hundred seventy-three thousand, six hundred sixty-six".