5620810638 has 16 divisors (see below), whose sum is σ = 11395616976. Its totient is φ = 1847937600.

The previous prime is 5620810627. The next prime is 5620810639. The reversal of 5620810638 is 8360180265.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5620810596 and 5620810605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5620810639) 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, 6416013 + ... + 6416888.

It is an arithmetic number, because the mean of its divisors is an integer number (712226061).

Almost surely, 2^5620810638 is an apocalyptic number.

5620810638 is an abundant number, since it is smaller than the sum of its proper divisors (5774806338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5620810638 is a wasteful number, since it uses less digits than its factorization.

5620810638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12832979.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 5620810638 is about 74972.0657178392. The cubic root of 5620810638 is about 1778.0050281115.

The spelling of 5620810638 in words is "five billion, six hundred twenty million, eight hundred ten thousand, six hundred thirty-eight".