1463890842721 has 8 divisors (see below), whose sum is σ = 1547847768320. Its totient is φ = 1380624921072.

The previous prime is 1463890842709. The next prime is 1463890842737. The reversal of 1463890842721 is 1272480983641.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1463890842721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1463890840721) 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 7 ways as a sum of consecutive naturals, for example, 172746630 + ... + 172755103.

It is an arithmetic number, because the mean of its divisors is an integer number (193480971040).

Almost surely, 2^{1463890842721} is an apocalyptic number.

It is an amenable number.

1463890842721 is a deficient number, since it is larger than the sum of its proper divisors (83956925599).

1463890842721 is a wasteful number, since it uses less digits than its factorization.

1463890842721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345501975.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 1463890842721 in words is "one trillion, four hundred sixty-three billion, eight hundred ninety million, eight hundred forty-two thousand, seven hundred twenty-one".