93942779459 has 2 divisors, whose sum is σ = 93942779460. Its totient is φ = 93942779458.

The previous prime is 93942779377. The next prime is 93942779627. The reversal of 93942779459 is 95497724939.

It is a weak prime.

It is an emirp because it is prime and its reverse (95497724939) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93942779459 is a prime.

It is not a weakly prime, because it can be changed into another prime (93942779159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46971389729 + 46971389730.

It is an arithmetic number, because the mean of its divisors is an integer number (46971389730).

Almost surely, 2^93942779459 is an apocalyptic number.

93942779459 is a deficient number, since it is larger than the sum of its proper divisors (1).

93942779459 is an equidigital number, since it uses as much as digits as its factorization.

93942779459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 154314720, while the sum is 68.

The spelling of 93942779459 in words is "ninety-three billion, nine hundred forty-two million, seven hundred seventy-nine thousand, four hundred fifty-nine".