61438714684235 has 16 divisors (see below), whose sum is σ = 84263529683712. Its totient is φ = 42127043868000.

The previous prime is 61438714684229. The next prime is 61438714684261. The reversal of 61438714684235 is 53248641783416.

61438714684235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-61438714684235 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48543101 + ... + 49792670.

It is an arithmetic number, because the mean of its divisors is an integer number (5266470605232).

Almost surely, 2^{61438714684235} is an apocalyptic number.

61438714684235 is a deficient number, since it is larger than the sum of its proper divisors (22824814999477).

61438714684235 is a wasteful number, since it uses less digits than its factorization.

61438714684235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98353634.

The product of its digits is 92897280, while the sum is 62.

The spelling of 61438714684235 in words is "sixty-one trillion, four hundred thirty-eight billion, seven hundred fourteen million, six hundred eighty-four thousand, two hundred thirty-five".