946868649 has 4 divisors (see below), whose sum is σ = 1262491536. Its totient is φ = 631245764.

The previous prime is 946868633. The next prime is 946868653.

946868649 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 946868649 - 2⁴ = 946868633 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 946868592 and 946868601.

It is not an unprimeable number, because it can be changed into a prime (946868449) 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, 157811439 + ... + 157811444.

It is an arithmetic number, because the mean of its divisors is an integer number (315622884).

Almost surely, 2^946868649 is an apocalyptic number.

It is an amenable number.

946868649 is a deficient number, since it is larger than the sum of its proper divisors (315622887).

946868649 is a wasteful number, since it uses less digits than its factorization.

946868649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315622886.

The product of its digits is 17915904, while the sum is 60.

The square root of 946868649 is about 30771.2308658591. The cubic root of 946868649 is about 981.9662899096.

The spelling of 946868649 in words is "nine hundred forty-six million, eight hundred sixty-eight thousand, six hundred forty-nine".