1650632745 has 8 divisors (see below), whose sum is σ = 2641012416. Its totient is φ = 880337456.

The previous prime is 1650632729. The next prime is 1650632791. The reversal of 1650632745 is 5472360561.

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 1650632745 - 2⁴ = 1650632729 is a prime.

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, 55021077 + ... + 55021106.

It is an arithmetic number, because the mean of its divisors is an integer number (330126552).

Almost surely, 2^1650632745 is an apocalyptic number.

1650632745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1650632745 is a deficient number, since it is larger than the sum of its proper divisors (990379671).

1650632745 is a wasteful number, since it uses less digits than its factorization.

1650632745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110042191.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 1650632745 is about 40627.9798291768. The cubic root of 1650632745 is about 1181.8167802736.

The spelling of 1650632745 in words is "one billion, six hundred fifty million, six hundred thirty-two thousand, seven hundred forty-five".