949537915826689 has 8 divisors (see below), whose sum is σ = 1149020671252608. Its totient is φ = 766013780834880.

The previous prime is 949537915826659. The next prime is 949537915826699. The reversal of 949537915826689 is 986628519735949.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 949537915826689 - 2⁷ = 949537915826561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (949537915826629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3989655108397 + ... + 3989655108634.

It is an arithmetic number, because the mean of its divisors is an integer number (143627583906576).

Almost surely, 2^{949537915826689} is an apocalyptic number.

It is an amenable number.

949537915826689 is a deficient number, since it is larger than the sum of its proper divisors (199482755425919).

949537915826689 is a wasteful number, since it uses less digits than its factorization.

949537915826689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979310217055.

The product of its digits is 63489484800, while the sum is 91.

The spelling of 949537915826689 in words is "nine hundred forty-nine trillion, five hundred thirty-seven billion, nine hundred fifteen million, eight hundred twenty-six thousand, six hundred eighty-nine".