1413406706781 has 16 divisors (see below), whose sum is σ = 1933043500800. Its totient is φ = 918195620928.

The previous prime is 1413406706693. The next prime is 1413406706783. The reversal of 1413406706781 is 1876076043141.

It is not a de Polignac number, because 1413406706781 - 2²¹ = 1413404609629 is a prime.

It is a super-2 number, since 2×1413406706781² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1413406706781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1413406706783) 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, 21854526 + ... + 21919103.

It is an arithmetic number, because the mean of its divisors is an integer number (120815218800).

Almost surely, 2^{1413406706781} is an apocalyptic number.

It is an amenable number.

1413406706781 is a deficient number, since it is larger than the sum of its proper divisors (519636794019).

1413406706781 is a wasteful number, since it uses less digits than its factorization.

1413406706781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43773908.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 1413406706781 in words is "one trillion, four hundred thirteen billion, four hundred six million, seven hundred six thousand, seven hundred eighty-one".