47531415781464 has 64 divisors (see below), whose sum is σ = 121072385046240. Its totient is φ = 15544634726400.

The previous prime is 47531415781397. The next prime is 47531415781471. The reversal of 47531415781464 is 46418751413574.

It is a junction number, because it is equal to n+sod(n) for n = 47531415781398 and 47531415781407.

It is a congruent number.

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, 99533664 + ... + 100010064.

Almost surely, 2^{47531415781464} is an apocalyptic number.

It is an amenable number.

47531415781464 is an abundant number, since it is smaller than the sum of its proper divisors (73540969264776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47531415781464 is a wasteful number, since it uses less digits than its factorization.

47531415781464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554900 (or 554896 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 60.

The spelling of 47531415781464 in words is "forty-seven trillion, five hundred thirty-one billion, four hundred fifteen million, seven hundred eighty-one thousand, four hundred sixty-four".