620186828738 has 8 divisors (see below), whose sum is σ = 952970005260. Its totient is φ = 302530160320.

The previous prime is 620186828711. The next prime is 620186828749. The reversal of 620186828738 is 837828681026.

It can be written as a sum of positive squares in 2 ways, for example, as 413213695489 + 206973133249 = 642817^2 + 454943^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3781626923 + ... + 3781627086.

Almost surely, 2^620186828738 is an apocalyptic number.

620186828738 is a deficient number, since it is larger than the sum of its proper divisors (332783176522).

620186828738 is a wasteful number, since it uses less digits than its factorization.

620186828738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563254052.

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 620186828738 in words is "six hundred twenty billion, one hundred eighty-six million, eight hundred twenty-eight thousand, seven hundred thirty-eight".