154966361189 has 2 divisors, whose sum is σ = 154966361190. Its totient is φ = 154966361188.

The previous prime is 154966361177. The next prime is 154966361197. The reversal of 154966361189 is 981163669451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97434501025 + 57531860164 = 312145^2 + 239858^2 .

It is a cyclic number.

It is not a de Polignac number, because 154966361189 - 2⁸ = 154966360933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154966361159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77483180594 + 77483180595.

It is an arithmetic number, because the mean of its divisors is an integer number (77483180595).

Almost surely, 2^154966361189 is an apocalyptic number.

It is an amenable number.

154966361189 is a deficient number, since it is larger than the sum of its proper divisors (1).

154966361189 is an equidigital number, since it uses as much as digits as its factorization.

154966361189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 59.

The spelling of 154966361189 in words is "one hundred fifty-four billion, nine hundred sixty-six million, three hundred sixty-one thousand, one hundred eighty-nine".