154711896389 has 2 divisors, whose sum is σ = 154711896390. Its totient is φ = 154711896388.

The previous prime is 154711896371. The next prime is 154711896491. The reversal of 154711896389 is 983698117451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111886905025 + 42824991364 = 334495^2 + 206942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154711896389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154711896319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77355948194 + 77355948195.

It is an arithmetic number, because the mean of its divisors is an integer number (77355948195).

Almost surely, 2^154711896389 is an apocalyptic number.

It is an amenable number.

154711896389 is a deficient number, since it is larger than the sum of its proper divisors (1).

154711896389 is an equidigital number, since it uses as much as digits as its factorization.

154711896389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 62.

The spelling of 154711896389 in words is "one hundred fifty-four billion, seven hundred eleven million, eight hundred ninety-six thousand, three hundred eighty-nine".