949762661 has 4 divisors (see below), whose sum is σ = 949905324. Its totient is φ = 949620000.

The previous prime is 949762607. The next prime is 949762679. The reversal of 949762661 is 166267949.

949762661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 166267949 = 257 ⋅646957.

It can be written as a sum of positive squares in 2 ways, for example, as 258598561 + 691164100 = 16081^2 + 26290^2 .

It is a cyclic number.

It is not a de Polignac number, because 949762661 - 2²² = 945568357 is a prime.

It is a super-2 number, since 2×949762661² = 1804098224459601842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949768661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60830 + ... + 74831.

It is an arithmetic number, because the mean of its divisors is an integer number (237476331).

Almost surely, 2^949762661 is an apocalyptic number.

It is an amenable number.

949762661 is a deficient number, since it is larger than the sum of its proper divisors (142663).

949762661 is a wasteful number, since it uses less digits than its factorization.

949762661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142662.

The product of its digits is 979776, while the sum is 50.

The square root of 949762661 is about 30818.2196273568. The cubic root of 949762661 is about 982.9657005757.

The spelling of 949762661 in words is "nine hundred forty-nine million, seven hundred sixty-two thousand, six hundred sixty-one".