82354048543481 has 64 divisors (see below), whose sum is σ = 98234036409600. Its totient is φ = 68055908659200.

The previous prime is 82354048543471. The next prime is 82354048543517. The reversal of 82354048543481 is 18434584045328.

It is a happy number.

It is not a de Polignac number, because 82354048543481 - 2¹⁴ = 82354048527097 is a prime.

It is a super-2 number, since 2×82354048543481² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82354048543481.

It is not an unprimeable number, because it can be changed into a prime (82354048543471) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13012170725 + ... + 13012177053.

It is an arithmetic number, because the mean of its divisors is an integer number (1534906818900).

Almost surely, 2^{82354048543481} is an apocalyptic number.

It is an amenable number.

82354048543481 is a deficient number, since it is larger than the sum of its proper divisors (15879987866119).

82354048543481 is a wasteful number, since it uses less digits than its factorization.

82354048543481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10410.

The product of its (nonzero) digits is 58982400, while the sum is 59.

The spelling of 82354048543481 in words is "eighty-two trillion, three hundred fifty-four billion, forty-eight million, five hundred forty-three thousand, four hundred eighty-one".