1647426316948 has 6 divisors (see below), whose sum is σ = 2882996054666. Its totient is φ = 823713158472.

The previous prime is 1647426316937. The next prime is 1647426316999. The reversal of 1647426316948 is 8496136247461.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1632675728644 + 14750588304 = 1277762^2 + 121452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205928289615 + ... + 205928289622.

Almost surely, 2^{1647426316948} is an apocalyptic number.

It is an amenable number.

1647426316948 is a deficient number, since it is larger than the sum of its proper divisors (1235569737718).

1647426316948 is a wasteful number, since it uses less digits than its factorization.

1647426316948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411856579241 (or 411856579239 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 61.

The spelling of 1647426316948 in words is "one trillion, six hundred forty-seven billion, four hundred twenty-six million, three hundred sixteen thousand, nine hundred forty-eight".