2028634438826 has 8 divisors (see below), whose sum is σ = 3221948814660. Its totient is φ = 954651500608.

The previous prime is 2028634438771. The next prime is 2028634438903. The reversal of 2028634438826 is 6288344368202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1511795661601 + 516838777225 = 1229551^2 + 718915^2 .

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, 29832859361 + ... + 29832859428.

Almost surely, 2^{2028634438826} is an apocalyptic number.

2028634438826 is a deficient number, since it is larger than the sum of its proper divisors (1193314375834).

2028634438826 is a wasteful number, since it uses less digits than its factorization.

2028634438826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59665718808.

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 2028634438826 in words is "two trillion, twenty-eight billion, six hundred thirty-four million, four hundred thirty-eight thousand, eight hundred twenty-six".