154534531379 has 2 divisors, whose sum is σ = 154534531380. Its totient is φ = 154534531378.

The previous prime is 154534531357. The next prime is 154534531423. The reversal of 154534531379 is 973135435451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154534531379 is a prime.

It is not a weakly prime, because it can be changed into another prime (154534533379) 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, 77267265689 + 77267265690.

It is an arithmetic number, because the mean of its divisors is an integer number (77267265690).

Almost surely, 2^154534531379 is an apocalyptic number.

154534531379 is a deficient number, since it is larger than the sum of its proper divisors (1).

154534531379 is an equidigital number, since it uses as much as digits as its factorization.

154534531379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402000, while the sum is 50.

The spelling of 154534531379 in words is "one hundred fifty-four billion, five hundred thirty-four million, five hundred thirty-one thousand, three hundred seventy-nine".