5638586354 has 4 divisors (see below), whose sum is σ = 8457879534. Its totient is φ = 2819293176.

The previous prime is 5638586353. The next prime is 5638586363. The reversal of 5638586354 is 4536858365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3206617129 + 2431969225 = 56627^2 + 49315^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5638586296 and 5638586305.

It is not an unprimeable number, because it can be changed into a prime (5638586351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409646587 + ... + 1409646590.

Almost surely, 2^5638586354 is an apocalyptic number.

5638586354 is a deficient number, since it is larger than the sum of its proper divisors (2819293180).

5638586354 is a wasteful number, since it uses less digits than its factorization.

5638586354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819293179.

The product of its digits is 10368000, while the sum is 53.

The square root of 5638586354 is about 75090.5210662438. The cubic root of 5638586354 is about 1779.8773590965.

The spelling of 5638586354 in words is "five billion, six hundred thirty-eight million, five hundred eighty-six thousand, three hundred fifty-four".