149846831482193 has 4 divisors (see below), whose sum is σ = 149847056622900. Its totient is φ = 149846606341488.

The previous prime is 149846831482189. The next prime is 149846831482213. The reversal of 149846831482193 is 391284138648941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71421141916609 + 78425689565584 = 8451103^2 + 8855828^2 .

It is a cyclic number.

It is not a de Polignac number, because 149846831482193 - 2² = 149846831482189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149846831422193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111569030 + ... + 112904127.

It is an arithmetic number, because the mean of its divisors is an integer number (37461764155725).

Almost surely, 2^{149846831482193} is an apocalyptic number.

It is an amenable number.

149846831482193 is a deficient number, since it is larger than the sum of its proper divisors (225140707).

149846831482193 is an equidigital number, since it uses as much as digits as its factorization.

149846831482193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225140706.

The product of its digits is 286654464, while the sum is 71.

The spelling of 149846831482193 in words is "one hundred forty-nine trillion, eight hundred forty-six billion, eight hundred thirty-one million, four hundred eighty-two thousand, one hundred ninety-three".