83694249638 has 8 divisors (see below), whose sum is σ = 125546093832. Its totient is φ = 41845551696.

The previous prime is 83694249629. The next prime is 83694249647.

83694249638 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (83694249629) and next prime (83694249647).

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

It is a congruent number.

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, 718895 + ... + 827162.

It is an arithmetic number, because the mean of its divisors is an integer number (15693261729).

Almost surely, 2^83694249638 is an apocalyptic number.

83694249638 is a deficient number, since it is larger than the sum of its proper divisors (41851844194).

83694249638 is a wasteful number, since it uses less digits than its factorization.

83694249638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573126.

The product of its digits is 53747712, while the sum is 62.

The spelling of 83694249638 in words is "eighty-three billion, six hundred ninety-four million, two hundred forty-nine thousand, six hundred thirty-eight".