945646549 has 4 divisors (see below), whose sum is σ = 995417440. Its totient is φ = 895875660.

The previous prime is 945646523. The next prime is 945646579.

945646549 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 945646549 - 2⁵ = 945646517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 945646496 and 945646505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945646519) 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, 24885417 + ... + 24885454.

It is an arithmetic number, because the mean of its divisors is an integer number (248854360).

Almost surely, 2^945646549 is an apocalyptic number.

It is an amenable number.

945646549 is a deficient number, since it is larger than the sum of its proper divisors (49770891).

945646549 is a wasteful number, since it uses less digits than its factorization.

945646549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49770890.

The product of its digits is 4665600, while the sum is 52.

The square root of 945646549 is about 30751.3666200382. The cubic root of 945646549 is about 981.5436414704.

The spelling of 945646549 in words is "nine hundred forty-five million, six hundred forty-six thousand, five hundred forty-nine".