1431646641712 has 120 divisors (see below), whose sum is σ = 3544758160640. Its totient is φ = 547077473280.

The previous prime is 1431646641683. The next prime is 1431646641739. The reversal of 1431646641712 is 2171466461341.

It is a super-3 number, since 3×1431646641712³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548964 + ... + 1778947.

Almost surely, 2^{1431646641712} is an apocalyptic number.

It is an amenable number.

1431646641712 is an abundant number, since it is smaller than the sum of its proper divisors (2113111518928).

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

1431646641712 is a wasteful number, since it uses less digits than its factorization.

1431646641712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327979 (or 2327956 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

It can be divided in two parts, 143164 and 6641712, that added together give a palindrome (6784876).

The spelling of 1431646641712 in words is "one trillion, four hundred thirty-one billion, six hundred forty-six million, six hundred forty-one thousand, seven hundred twelve".