1828762945 has 8 divisors (see below), whose sum is σ = 2195885736. Its totient is φ = 1462096896.

The previous prime is 1828762937. The next prime is 1828762961. The reversal of 1828762945 is 5492678281.

It can be written as a sum of positive squares in 4 ways, for example, as 660695616 + 1168067329 = 25704^2 + 34177^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1828762945 - 2³ = 1828762937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1828762892 and 1828762901.

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, 105312 + ... + 121441.

It is an arithmetic number, because the mean of its divisors is an integer number (274485717).

Almost surely, 2^1828762945 is an apocalyptic number.

It is an amenable number.

1828762945 is a deficient number, since it is larger than the sum of its proper divisors (367122791).

1828762945 is a wasteful number, since it uses less digits than its factorization.

1828762945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228371.

The product of its digits is 1935360, while the sum is 52.

The square root of 1828762945 is about 42764.0379875428. The cubic root of 1828762945 is about 1222.8855251455.

The spelling of 1828762945 in words is "one billion, eight hundred twenty-eight million, seven hundred sixty-two thousand, nine hundred forty-five".