949465661 has 4 divisors (see below), whose sum is σ = 950337024. Its totient is φ = 948594300.

The previous prime is 949465651. The next prime is 949465681. The reversal of 949465661 is 166564949.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-949465661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949465631) 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 3 ways as a sum of consecutive naturals, for example, 434045 + ... + 436226.

It is an arithmetic number, because the mean of its divisors is an integer number (237584256).

Almost surely, 2^949465661 is an apocalyptic number.

It is an amenable number.

949465661 is a deficient number, since it is larger than the sum of its proper divisors (871363).

949465661 is a wasteful number, since it uses less digits than its factorization.

949465661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871362.

The product of its digits is 1399680, while the sum is 50.

The square root of 949465661 is about 30813.4006724347. The cubic root of 949465661 is about 982.8632289227.

The spelling of 949465661 in words is "nine hundred forty-nine million, four hundred sixty-five thousand, six hundred sixty-one".