413686781438 has 16 divisors (see below), whose sum is σ = 709654293504. Its totient is φ = 177175096440.

The previous prime is 413686781437. The next prime is 413686781479. The reversal of 413686781438 is 834187686314.

It is a happy number.

It is a super-2 number, since 2×413686781438² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413686781437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9914978 + ... + 9956613.

It is an arithmetic number, because the mean of its divisors is an integer number (44353393344).

Almost surely, 2^413686781438 is an apocalyptic number.

413686781438 is a deficient number, since it is larger than the sum of its proper divisors (295967512066).

413686781438 is a wasteful number, since it uses less digits than its factorization.

413686781438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19873087.

The product of its digits is 18579456, while the sum is 59.

The spelling of 413686781438 in words is "four hundred thirteen billion, six hundred eighty-six million, seven hundred eighty-one thousand, four hundred thirty-eight".