82699349129 has 4 divisors (see below), whose sum is σ = 82711392000. Its totient is φ = 82687306260.

The previous prime is 82699349107. The next prime is 82699349167. The reversal of 82699349129 is 92194399628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82699349129 - 2³² = 78404381833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82699349429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6011129 + ... + 6024870.

It is an arithmetic number, because the mean of its divisors is an integer number (20677848000).

Almost surely, 2^82699349129 is an apocalyptic number.

It is an amenable number.

82699349129 is a deficient number, since it is larger than the sum of its proper divisors (12042871).

82699349129 is a wasteful number, since it uses less digits than its factorization.

82699349129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12042870.

The product of its digits is 15116544, while the sum is 62.

The spelling of 82699349129 in words is "eighty-two billion, six hundred ninety-nine million, three hundred forty-nine thousand, one hundred twenty-nine".