2147247861432 has 32 divisors (see below), whose sum is σ = 5415625144080. Its totient is φ = 709415221760.

The previous prime is 2147247861431. The next prime is 2147247861449. The reversal of 2147247861432 is 2341687427412.

It is a super-2 number, since 2×2147247861432² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147247861431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395876319 + ... + 395881742.

Almost surely, 2^{2147247861432} is an apocalyptic number.

It is an amenable number.

2147247861432 is an abundant number, since it is smaller than the sum of its proper divisors (3268377282648).

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

2147247861432 is a wasteful number, since it uses less digits than its factorization.

2147247861432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791758183 (or 791758179 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 51.

The spelling of 2147247861432 in words is "two trillion, one hundred forty-seven billion, two hundred forty-seven million, eight hundred sixty-one thousand, four hundred thirty-two".