1982913679 has 2 divisors, whose sum is σ = 1982913680. Its totient is φ = 1982913678.

The previous prime is 1982913661. The next prime is 1982913689. The reversal of 1982913679 is 9763192891.

It is a strong prime.

It is an emirp because it is prime and its reverse (9763192891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1982913679 - 2¹³ = 1982905487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1982913659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991456839 + 991456840.

It is an arithmetic number, because the mean of its divisors is an integer number (991456840).

Almost surely, 2^1982913679 is an apocalyptic number.

1982913679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982913679 is an equidigital number, since it uses as much as digits as its factorization.

1982913679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 55.

The square root of 1982913679 is about 44529.9189197555. The cubic root of 1982913679 is about 1256.3228811987.

The spelling of 1982913679 in words is "one billion, nine hundred eighty-two million, nine hundred thirteen thousand, six hundred seventy-nine".