1979983284527 has 2 divisors, whose sum is σ = 1979983284528. Its totient is φ = 1979983284526.

The previous prime is 1979983284463. The next prime is 1979983284599. The reversal of 1979983284527 is 7254823899791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1979983284527 - 2⁶ = 1979983284463 is a prime.

It is a super-2 number, since 2×1979983284527² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1979983284827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989991642263 + 989991642264.

It is an arithmetic number, because the mean of its divisors is an integer number (989991642264).

Almost surely, 2^{1979983284527} is an apocalyptic number.

1979983284527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1979983284527 is an equidigital number, since it uses as much as digits as its factorization.

1979983284527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 548674560, while the sum is 74.

The spelling of 1979983284527 in words is "one trillion, nine hundred seventy-nine billion, nine hundred eighty-three million, two hundred eighty-four thousand, five hundred twenty-seven".