147951868971 has 4 divisors (see below), whose sum is σ = 197269158632. Its totient is φ = 98634579312.

The previous prime is 147951868969. The next prime is 147951868973. The reversal of 147951868971 is 179868159741.

147951868971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (147951868969) and next prime (147951868973).

It is not a de Polignac number, because 147951868971 - 2¹ = 147951868969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147951868973) 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 in 3 ways as a sum of consecutive naturals, for example, 24658644826 + ... + 24658644831.

It is an arithmetic number, because the mean of its divisors is an integer number (49317289658).

Almost surely, 2^147951868971 is an apocalyptic number.

147951868971 is a deficient number, since it is larger than the sum of its proper divisors (49317289661).

147951868971 is an equidigital number, since it uses as much as digits as its factorization.

147951868971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49317289660.

The product of its digits is 30481920, while the sum is 66.

The spelling of 147951868971 in words is "one hundred forty-seven billion, nine hundred fifty-one million, eight hundred sixty-eight thousand, nine hundred seventy-one".