638087743341 has 32 divisors (see below), whose sum is σ = 1007353468800. Its totient is φ = 403002759024.

The previous prime is 638087743313. The next prime is 638087743387. The reversal of 638087743341 is 143347780836.

638087743341 is a `hidden beast` number, since 63 + 80 + 8 + 77 + 433 + 4 + 1 = 666.

It is not a de Polignac number, because 638087743341 - 2¹³ = 638087735149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (638087743301) 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, 7636446 + ... + 7719551.

It is an arithmetic number, because the mean of its divisors is an integer number (31479795900).

Almost surely, 2^638087743341 is an apocalyptic number.

It is an amenable number.

638087743341 is a deficient number, since it is larger than the sum of its proper divisors (369265725459).

638087743341 is an equidigital number, since it uses as much as digits as its factorization.

638087743341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15356037 (or 15356019 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 638087743341 in words is "six hundred thirty-eight billion, eighty-seven million, seven hundred forty-three thousand, three hundred forty-one".