3789997345 has 4 divisors (see below), whose sum is σ = 4547996820. Its totient is φ = 3031997872.

The previous prime is 3789997331. The next prime is 3789997363. The reversal of 3789997345 is 5437999873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5437999873 = 29 ⋅187517237.

It can be written as a sum of positive squares in 2 ways, for example, as 2244485376 + 1545511969 = 47376^2 + 39313^2 .

It is a cyclic number.

It is not a de Polignac number, because 3789997345 - 2⁵ = 3789997313 is a prime.

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, 378999730 + ... + 378999739.

It is an arithmetic number, because the mean of its divisors is an integer number (1136999205).

Almost surely, 2^3789997345 is an apocalyptic number.

It is an amenable number.

3789997345 is a deficient number, since it is larger than the sum of its proper divisors (757999475).

3789997345 is an equidigital number, since it uses as much as digits as its factorization.

3789997345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757999474.

The product of its digits is 51438240, while the sum is 64.

The square root of 3789997345 is about 61562.9543231967. The cubic root of 3789997345 is about 1559.1203325975.

The spelling of 3789997345 in words is "three billion, seven hundred eighty-nine million, nine hundred ninety-seven thousand, three hundred forty-five".