1463506661345 has 16 divisors (see below), whose sum is σ = 1768356596352. Its totient is φ = 1162710806400.

The previous prime is 1463506661257. The next prime is 1463506661377. The reversal of 1463506661345 is 5431666053641.

It is a de Polignac number, because none of the positive numbers 2^k-1463506661345 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1463506661293 and 1463506661302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2309594 + ... + 2874236.

It is an arithmetic number, because the mean of its divisors is an integer number (110522287272).

Almost surely, 2^{1463506661345} is an apocalyptic number.

It is an amenable number.

1463506661345 is a deficient number, since it is larger than the sum of its proper divisors (304849935007).

1463506661345 is a wasteful number, since it uses less digits than its factorization.

1463506661345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568232.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 1463506661345 in words is "one trillion, four hundred sixty-three billion, five hundred six million, six hundred sixty-one thousand, three hundred forty-five".