84649338514667 has 2 divisors, whose sum is σ = 84649338514668. Its totient is φ = 84649338514666.

The previous prime is 84649338514649. The next prime is 84649338514693. The reversal of 84649338514667 is 76641583394648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84649338514667 - 2²⁴ = 84649321737451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84649338514594 and 84649338514603.

It is not a weakly prime, because it can be changed into another prime (84649638514667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42324669257333 + 42324669257334.

It is an arithmetic number, because the mean of its divisors is an integer number (42324669257334).

Almost surely, 2^{84649338514667} is an apocalyptic number.

84649338514667 is a deficient number, since it is larger than the sum of its proper divisors (1).

84649338514667 is an equidigital number, since it uses as much as digits as its factorization.

84649338514667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2508226560, while the sum is 74.

The spelling of 84649338514667 in words is "eighty-four trillion, six hundred forty-nine billion, three hundred thirty-eight million, five hundred fourteen thousand, six hundred sixty-seven".