147923435519 has 4 divisors (see below), whose sum is σ = 147997510344. Its totient is φ = 147849360696.

The previous prime is 147923435383. The next prime is 147923435531. The reversal of 147923435519 is 915534329741.

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

It is a cyclic number.

It is not a de Polignac number, because 147923435519 - 2⁸ = 147923435263 is a prime.

It is a super-2 number, since 2×147923435519² (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 (147923431519) 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, 37034417 + ... + 37038410.

It is an arithmetic number, because the mean of its divisors is an integer number (36999377586).

Almost surely, 2^147923435519 is an apocalyptic number.

147923435519 is a deficient number, since it is larger than the sum of its proper divisors (74074825).

147923435519 is an equidigital number, since it uses as much as digits as its factorization.

147923435519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74074824.

The product of its digits is 4082400, while the sum is 53.

The spelling of 147923435519 in words is "one hundred forty-seven billion, nine hundred twenty-three million, four hundred thirty-five thousand, five hundred nineteen".