147816994321 has 12 divisors (see below), whose sum is σ = 157362875392. Its totient is φ = 138821272128.

The previous prime is 147816994319. The next prime is 147816994361. The reversal of 147816994321 is 123499618741.

It is not a de Polignac number, because 147816994321 - 2¹ = 147816994319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147816994301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418545 + ... + 686158.

Almost surely, 2^147816994321 is an apocalyptic number.

It is an amenable number.

147816994321 is a deficient number, since it is larger than the sum of its proper divisors (9545881071).

147816994321 is a wasteful number, since it uses less digits than its factorization.

147816994321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105200 (or 1105183 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The spelling of 147816994321 in words is "one hundred forty-seven billion, eight hundred sixteen million, nine hundred ninety-four thousand, three hundred twenty-one".