83919073429 has 8 divisors (see below), whose sum is σ = 85970004120. Its totient is φ = 81868339200.

The previous prime is 83919073417. The next prime is 83919073453. The reversal of 83919073429 is 92437091938.

It can be written as a sum of positive squares in 4 ways, for example, as 28501205329 + 55417868100 = 168823^2 + 235410^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 83919073429 - 2²¹ = 83916976277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83919073429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83919073489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197109 + ... + 1265269.

It is an arithmetic number, because the mean of its divisors is an integer number (10746250515).

Almost surely, 2^83919073429 is an apocalyptic number.

It is an amenable number.

83919073429 is a deficient number, since it is larger than the sum of its proper divisors (2050930691).

83919073429 is a wasteful number, since it uses less digits than its factorization.

83919073429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98231.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 83919073429 in words is "eighty-three billion, nine hundred nineteen million, seventy-three thousand, four hundred twenty-nine".