34636811638 has 16 divisors (see below), whose sum is σ = 61038297936. Its totient is φ = 14532927840.

The previous prime is 34636811611. The next prime is 34636811681. The reversal of 34636811638 is 83611863643.

It is a junction number, because it is equal to n+sod(n) for n = 34636811591 and 34636811600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60553581 + ... + 60554152.

It is an arithmetic number, because the mean of its divisors is an integer number (3814893621).

Almost surely, 2^34636811638 is an apocalyptic number.

34636811638 is a deficient number, since it is larger than the sum of its proper divisors (26401486298).

34636811638 is a wasteful number, since it uses less digits than its factorization.

34636811638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121107759.

The product of its digits is 1492992, while the sum is 49.

The spelling of 34636811638 in words is "thirty-four billion, six hundred thirty-six million, eight hundred eleven thousand, six hundred thirty-eight".