149284429871 has 2 divisors, whose sum is σ = 149284429872. Its totient is φ = 149284429870.

The previous prime is 149284429859. The next prime is 149284429913. The reversal of 149284429871 is 178924482941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149284429871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149284429871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149284429831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74642214935 + 74642214936.

It is an arithmetic number, because the mean of its divisors is an integer number (74642214936).

Almost surely, 2^149284429871 is an apocalyptic number.

149284429871 is a deficient number, since it is larger than the sum of its proper divisors (1).

149284429871 is an equidigital number, since it uses as much as digits as its factorization.

149284429871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 59.

The spelling of 149284429871 in words is "one hundred forty-nine billion, two hundred eighty-four million, four hundred twenty-nine thousand, eight hundred seventy-one".