82954889491 has 4 divisors (see below), whose sum is σ = 83038094992. Its totient is φ = 82871683992.

The previous prime is 82954889489. The next prime is 82954889497. The reversal of 82954889491 is 19498845928.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82954889491 - 2¹ = 82954889489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82954889497) 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, 41601255 + ... + 41603248.

It is an arithmetic number, because the mean of its divisors is an integer number (20759523748).

Almost surely, 2^82954889491 is an apocalyptic number.

82954889491 is a deficient number, since it is larger than the sum of its proper divisors (83205501).

82954889491 is an equidigital number, since it uses as much as digits as its factorization.

82954889491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83205500.

The product of its digits is 59719680, while the sum is 67.

The spelling of 82954889491 in words is "eighty-two billion, nine hundred fifty-four million, eight hundred eighty-nine thousand, four hundred ninety-one".