49581000143 has 2 divisors, whose sum is σ = 49581000144. Its totient is φ = 49581000142.

The previous prime is 49581000113. The next prime is 49581000151. The reversal of 49581000143 is 34100018594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49581000143 - 2¹⁰ = 49580999119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49581000113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24790500071 + 24790500072.

It is an arithmetic number, because the mean of its divisors is an integer number (24790500072).

Almost surely, 2^49581000143 is an apocalyptic number.

49581000143 is a deficient number, since it is larger than the sum of its proper divisors (1).

49581000143 is an equidigital number, since it uses as much as digits as its factorization.

49581000143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 49581000143 in words is "forty-nine billion, five hundred eighty-one million, one hundred forty-three", and thus it is an aban number.