82488142491 has 64 divisors (see below), whose sum is σ = 115768590336. Its totient is φ = 52206336000.

The previous prime is 82488142489. The next prime is 82488142501. The reversal of 82488142491 is 19424188428.

It is a happy number.

It is not a de Polignac number, because 82488142491 - 2¹ = 82488142489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82488142411) 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 63 ways as a sum of consecutive naturals, for example, 205705891 + ... + 205706291.

It is an arithmetic number, because the mean of its divisors is an integer number (1808884224).

Almost surely, 2^82488142491 is an apocalyptic number.

82488142491 is a deficient number, since it is larger than the sum of its proper divisors (33280447845).

82488142491 is a wasteful number, since it uses less digits than its factorization.

82488142491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812.

The product of its digits is 1179648, while the sum is 51.

The spelling of 82488142491 in words is "eighty-two billion, four hundred eighty-eight million, one hundred forty-two thousand, four hundred ninety-one".