2147831436432 has 160 divisors (see below), whose sum is σ = 6207211284480. Its totient is φ = 634480000000.

The previous prime is 2147831436349. The next prime is 2147831436451. The reversal of 2147831436432 is 2346341387412.

It is a super-2 number, since 2×2147831436432² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3014557 + ... + 3658307.

It is an arithmetic number, because the mean of its divisors is an integer number (38795070528).

Almost surely, 2^{2147831436432} is an apocalyptic number.

2147831436432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147831436432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3103605642240).

2147831436432 is an abundant number, since it is smaller than the sum of its proper divisors (4059379848048).

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

2147831436432 is a wasteful number, since it uses less digits than its factorization.

2147831436432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643933 (or 643927 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 48.

The spelling of 2147831436432 in words is "two trillion, one hundred forty-seven billion, eight hundred thirty-one million, four hundred thirty-six thousand, four hundred thirty-two".