9791286821464 has 16 divisors (see below), whose sum is σ = 18492667630200. Its totient is φ = 4859908786752.

The previous prime is 9791286821431. The next prime is 9791286821489. The reversal of 9791286821464 is 4641286821979.

It is a super-2 number, since 2×9791286821464² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9791286821464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4466826834 + ... + 4466829025.

Almost surely, 2^{9791286821464} is an apocalyptic number.

It is an amenable number.

9791286821464 is a deficient number, since it is larger than the sum of its proper divisors (8701380808736).

9791286821464 is a wasteful number, since it uses less digits than its factorization.

9791286821464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8933656002 (or 8933655998 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 67.

The spelling of 9791286821464 in words is "nine trillion, seven hundred ninety-one billion, two hundred eighty-six million, eight hundred twenty-one thousand, four hundred sixty-four".