1386971422881 has 32 divisors (see below), whose sum is σ = 2087162035200. Its totient is φ = 811531721280.

The previous prime is 1386971422877. The next prime is 1386971422891. The reversal of 1386971422881 is 1882241796831.

It is not a de Polignac number, because 1386971422881 - 2² = 1386971422877 is a prime.

It is a super-2 number, since 2×1386971422881² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1386971422801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12057420 + ... + 12171906.

It is an arithmetic number, because the mean of its divisors is an integer number (65223813600).

Almost surely, 2^{1386971422881} is an apocalyptic number.

1386971422881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1386971422881 is a deficient number, since it is larger than the sum of its proper divisors (700190612319).

1386971422881 is a wasteful number, since it uses less digits than its factorization.

1386971422881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127189.

The product of its digits is 9289728, while the sum is 60.

The spelling of 1386971422881 in words is "one trillion, three hundred eighty-six billion, nine hundred seventy-one million, four hundred twenty-two thousand, eight hundred eighty-one".