1021480664291 has 8 divisors (see below), whose sum is σ = 1029858042720. Its totient is φ = 1013116638528.

The previous prime is 1021480664287. The next prime is 1021480664333. The reversal of 1021480664291 is 1924660841201.

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 1021480664291 - 2² = 1021480664287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021480064291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3184511 + ... + 3490568.

It is an arithmetic number, because the mean of its divisors is an integer number (128732255340).

Almost surely, 2^{1021480664291} is an apocalyptic number.

1021480664291 is a deficient number, since it is larger than the sum of its proper divisors (8377378429).

1021480664291 is a wasteful number, since it uses less digits than its factorization.

1021480664291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676333.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 1021480664291 in words is "one trillion, twenty-one billion, four hundred eighty million, six hundred sixty-four thousand, two hundred ninety-one".