1465631473556 has 6 divisors (see below), whose sum is σ = 2564855078730. Its totient is φ = 732815736776.

The previous prime is 1465631473511. The next prime is 1465631473573. The reversal of 1465631473556 is 6553741365641.

It can be written as a sum of positive squares in only one way, i.e., 1187991002500 + 277640471056 = 1089950^2 + 526916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183203934191 + ... + 183203934198.

It is an arithmetic number, because the mean of its divisors is an integer number (427475846455).

Almost surely, 2^{1465631473556} is an apocalyptic number.

It is an amenable number.

1465631473556 is a deficient number, since it is larger than the sum of its proper divisors (1099223605174).

1465631473556 is a wasteful number, since it uses less digits than its factorization.

1465631473556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366407868393 (or 366407868391 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 56.

The spelling of 1465631473556 in words is "one trillion, four hundred sixty-five billion, six hundred thirty-one million, four hundred seventy-three thousand, five hundred fifty-six".