1463506661213 has 4 divisors (see below), whose sum is σ = 1464940067388. Its totient is φ = 1462073255040.

The previous prime is 1463506661191. The next prime is 1463506661249. The reversal of 1463506661213 is 3121666053641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1110911784004 + 352594877209 = 1053998^2 + 593797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1463506661213 - 2²⁰ = 1463505612637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463506666213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716701556 + ... + 716703597.

It is an arithmetic number, because the mean of its divisors is an integer number (366235016847).

Almost surely, 2^{1463506661213} is an apocalyptic number.

It is an amenable number.

1463506661213 is a deficient number, since it is larger than the sum of its proper divisors (1433406175).

1463506661213 is a wasteful number, since it uses less digits than its factorization.

1463506661213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433406174.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 1463506661213 in words is "one trillion, four hundred sixty-three billion, five hundred six million, six hundred sixty-one thousand, two hundred thirteen".