9505505945 has 16 divisors (see below), whose sum is σ = 12288738000. Its totient is φ = 7016765184.

The previous prime is 9505505923. The next prime is 9505505951. The reversal of 9505505945 is 5495055059.

It can be written as a sum of positive squares in 8 ways, for example, as 1309281856 + 8196224089 = 36184^2 + 90533^2 .

It is not a de Polignac number, because 9505505945 - 2¹⁶ = 9505440409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9505505945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152087 + ... + 205283.

It is an arithmetic number, because the mean of its divisors is an integer number (768046125).

Almost surely, 2^9505505945 is an apocalyptic number.

It is an amenable number.

9505505945 is a deficient number, since it is larger than the sum of its proper divisors (2783232055).

9505505945 is a wasteful number, since it uses less digits than its factorization.

9505505945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55964.

The product of its (nonzero) digits is 1012500, while the sum is 47.

The square root of 9505505945 is about 97496.1842586673. The cubic root of 9505505945 is about 2118.3208747150.

The spelling of 9505505945 in words is "nine billion, five hundred five million, five hundred five thousand, nine hundred forty-five".