104540906149 has 2 divisors, whose sum is σ = 104540906150. Its totient is φ = 104540906148.

The previous prime is 104540906137. The next prime is 104540906203. The reversal of 104540906149 is 941609045401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95677625124 + 8863281025 = 309318^2 + 94145^2 .

It is a cyclic number.

It is not a de Polignac number, because 104540906149 - 2¹³ = 104540897957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104540906749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52270453074 + 52270453075.

It is an arithmetic number, because the mean of its divisors is an integer number (52270453075).

Almost surely, 2^104540906149 is an apocalyptic number.

It is an amenable number.

104540906149 is a deficient number, since it is larger than the sum of its proper divisors (1).

104540906149 is an equidigital number, since it uses as much as digits as its factorization.

104540906149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 104540906149 in words is "one hundred four billion, five hundred forty million, nine hundred six thousand, one hundred forty-nine".