949866545 has 4 divisors (see below), whose sum is σ = 1139839860. Its totient is φ = 759893232.

The previous prime is 949866539. The next prime is 949866559. The reversal of 949866545 is 545668949.

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 566059264 + 383807281 = 23792^2 + 19591^2 .

It is a cyclic number.

It is not a de Polignac number, because 949866545 - 2⁶ = 949866481 is a prime.

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, 94986650 + ... + 94986659.

It is an arithmetic number, because the mean of its divisors is an integer number (284959965).

Almost surely, 2^949866545 is an apocalyptic number.

It is an amenable number.

949866545 is a deficient number, since it is larger than the sum of its proper divisors (189973315).

949866545 is a wasteful number, since it uses less digits than its factorization.

949866545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189973314.

The product of its digits is 9331200, while the sum is 56.

The square root of 949866545 is about 30819.9050128322. The cubic root of 949866545 is about 983.0015378398.

The spelling of 949866545 in words is "nine hundred forty-nine million, eight hundred sixty-six thousand, five hundred forty-five".