949905545321 has 4 divisors (see below), whose sum is σ = 957385116672. Its totient is φ = 942425973972.

The previous prime is 949905545297. The next prime is 949905545371. The reversal of 949905545321 is 123545509949.

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 949905545321 - 2³⁰ = 948831803497 is a prime.

It is a super-3 number, since 3×949905545321³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949905545371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3739785485 + ... + 3739785738.

It is an arithmetic number, because the mean of its divisors is an integer number (239346279168).

Almost surely, 2^949905545321 is an apocalyptic number.

It is an amenable number.

949905545321 is a deficient number, since it is larger than the sum of its proper divisors (7479571351).

949905545321 is a wasteful number, since it uses less digits than its factorization.

949905545321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479571350.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 949905545321 in words is "nine hundred forty-nine billion, nine hundred five million, five hundred forty-five thousand, three hundred twenty-one".