82649260331 has 8 divisors (see below), whose sum is σ = 90165734400. Its totient is φ = 75133270440.

The previous prime is 82649260289. The next prime is 82649260367. The reversal of 82649260331 is 13306294628.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82649260331 is a prime.

It is a super-2 number, since 2×82649260331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82649260381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 299390 + ... + 504908.

It is an arithmetic number, because the mean of its divisors is an integer number (11270716800).

Almost surely, 2^82649260331 is an apocalyptic number.

82649260331 is a deficient number, since it is larger than the sum of its proper divisors (7516474069).

82649260331 is a wasteful number, since it uses less digits than its factorization.

82649260331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242089.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 82649260331 in words is "eighty-two billion, six hundred forty-nine million, two hundred sixty thousand, three hundred thirty-one".