1945480705 has 16 divisors (see below), whose sum is σ = 2668829184. Its totient is φ = 1333673280.

The previous prime is 1945480703. The next prime is 1945480711. The reversal of 1945480705 is 5070845491.

It is not a de Polignac number, because 1945480705 - 2¹ = 1945480703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1945480703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195019 + ... + 204751.

It is an arithmetic number, because the mean of its divisors is an integer number (166801824).

Almost surely, 2^1945480705 is an apocalyptic number.

It is an amenable number.

1945480705 is a deficient number, since it is larger than the sum of its proper divisors (723348479).

1945480705 is an equidigital number, since it uses as much as digits as its factorization.

1945480705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 1945480705 is about 44107.6037095646. The cubic root of 1945480705 is about 1248.3670848661.

The spelling of 1945480705 in words is "one billion, nine hundred forty-five million, four hundred eighty thousand, seven hundred five".