1384431487671 has 16 divisors (see below), whose sum is σ = 1958812427520. Its totient is φ = 867862723200.

The previous prime is 1384431487639. The next prime is 1384431487697. The reversal of 1384431487671 is 1767841344831.

It is a happy number.

It is not a de Polignac number, because 1384431487671 - 2⁵ = 1384431487639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384431487871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170031730 + ... + 170039871.

It is an arithmetic number, because the mean of its divisors is an integer number (122425776720).

Almost surely, 2^{1384431487671} is an apocalyptic number.

1384431487671 is a deficient number, since it is larger than the sum of its proper divisors (574380939849).

1384431487671 is a wasteful number, since it uses less digits than its factorization.

1384431487671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340071686.

The product of its digits is 10838016, while the sum is 57.

The spelling of 1384431487671 in words is "one trillion, three hundred eighty-four billion, four hundred thirty-one million, four hundred eighty-seven thousand, six hundred seventy-one".