413638005778 has 4 divisors (see below), whose sum is σ = 620457008670. Its totient is φ = 206819002888.

The previous prime is 413638005769. The next prime is 413638005779. The reversal of 413638005778 is 877500836314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 877500836314 = 2 ⋅438750418157.

It can be written as a sum of positive squares in only one way, i.e., 401934444289 + 11703561489 = 633983^2 + 108183^2 .

It is a super-2 number, since 2×413638005778² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (413638005779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103409501443 + ... + 103409501446.

Almost surely, 2^413638005778 is an apocalyptic number.

413638005778 is a deficient number, since it is larger than the sum of its proper divisors (206819002892).

413638005778 is a wasteful number, since it uses less digits than its factorization.

413638005778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206819002891.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 413638005778 in words is "four hundred thirteen billion, six hundred thirty-eight million, five thousand, seven hundred seventy-eight".