147846974181905 has 4 divisors (see below), whose sum is σ = 177416369018292. Its totient is φ = 118277579345520.

The previous prime is 147846974181857. The next prime is 147846974181937. The reversal of 147846974181905 is 509181479648741.

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 98202887409169 + 49644086772736 = 9909737^2 + 7045856^2 .

It is not a de Polignac number, because 147846974181905 - 2³⁰ = 147845900440081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14784697418186 + ... + 14784697418195.

It is an arithmetic number, because the mean of its divisors is an integer number (44354092254573).

Almost surely, 2^{147846974181905} is an apocalyptic number.

It is an amenable number.

147846974181905 is a deficient number, since it is larger than the sum of its proper divisors (29569394836387).

147846974181905 is an equidigital number, since it uses as much as digits as its factorization.

147846974181905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29569394836386.

The product of its (nonzero) digits is 487710720, while the sum is 74.

The spelling of 147846974181905 in words is "one hundred forty-seven trillion, eight hundred forty-six billion, nine hundred seventy-four million, one hundred eighty-one thousand, nine hundred five".