147949184917 has 8 divisors (see below), whose sum is σ = 151414746560. Its totient is φ = 144484754400.

The previous prime is 147949184909. The next prime is 147949184939. The reversal of 147949184917 is 719481949741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147949184917 - 2³ = 147949184909 is a prime.

It is a super-2 number, since 2×147949184917² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147949184017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15192 + ... + 544177.

It is an arithmetic number, because the mean of its divisors is an integer number (18926843320).

Almost surely, 2^147949184917 is an apocalyptic number.

It is an amenable number.

147949184917 is a deficient number, since it is larger than the sum of its proper divisors (3465561643).

147949184917 is an equidigital number, since it uses as much as digits as its factorization.

147949184917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565563.

The product of its digits is 18289152, while the sum is 64.

The spelling of 147949184917 in words is "one hundred forty-seven billion, nine hundred forty-nine million, one hundred eighty-four thousand, nine hundred seventeen".