949619561 has 8 divisors (see below), whose sum is σ = 1080990144. Its totient is φ = 825755920.

The previous prime is 949619527. The next prime is 949619597. The reversal of 949619561 is 165916949.

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

It is not a de Polignac number, because 949619561 - 2¹⁴ = 949603177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949619861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876466 + ... + 1876971.

It is an arithmetic number, because the mean of its divisors is an integer number (135123768).

Almost surely, 2^949619561 is an apocalyptic number.

It is an amenable number.

949619561 is a deficient number, since it is larger than the sum of its proper divisors (131370583).

949619561 is a wasteful number, since it uses less digits than its factorization.

949619561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753471.

The product of its digits is 524880, while the sum is 50.

The square root of 949619561 is about 30815.8978613313. The cubic root of 949619561 is about 982.9163305374.

The spelling of 949619561 in words is "nine hundred forty-nine million, six hundred nineteen thousand, five hundred sixty-one".