4283890745 has 4 divisors (see below), whose sum is σ = 5140668900. Its totient is φ = 3427112592.

The previous prime is 4283890739. The next prime is 4283890757. The reversal of 4283890745 is 5470983824.

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

It can be written as a sum of positive squares in 2 ways, for example, as 551169529 + 3732721216 = 23477^2 + 61096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4283890745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4283890693 and 4283890702.

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, 428389070 + ... + 428389079.

It is an arithmetic number, because the mean of its divisors is an integer number (1285167225).

Almost surely, 2^4283890745 is an apocalyptic number.

It is an amenable number.

4283890745 is a deficient number, since it is larger than the sum of its proper divisors (856778155).

4283890745 is an equidigital number, since it uses as much as digits as its factorization.

4283890745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856778154.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 4283890745 is about 65451.4380667071. The cubic root of 4283890745 is about 1624.1001086147.

The spelling of 4283890745 in words is "four billion, two hundred eighty-three million, eight hundred ninety thousand, seven hundred forty-five".