83315254739 has 2 divisors, whose sum is σ = 83315254740. Its totient is φ = 83315254738.

The previous prime is 83315254727. The next prime is 83315254769. The reversal of 83315254739 is 93745251338.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83315254739 is a prime.

It is not a weakly prime, because it can be changed into another prime (83315254769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41657627369 + 41657627370.

It is an arithmetic number, because the mean of its divisors is an integer number (41657627370).

Almost surely, 2^83315254739 is an apocalyptic number.

83315254739 is a deficient number, since it is larger than the sum of its proper divisors (1).

83315254739 is an equidigital number, since it uses as much as digits as its factorization.

83315254739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 50.

The spelling of 83315254739 in words is "eighty-three billion, three hundred fifteen million, two hundred fifty-four thousand, seven hundred thirty-nine".