153938616317 has 4 divisors (see below), whose sum is σ = 154464004380. Its totient is φ = 153413228256.

The previous prime is 153938616311. The next prime is 153938616343. The reversal of 153938616317 is 713616839351.

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 65459734201 + 88478882116 = 255851^2 + 297454^2 .

It is a cyclic number.

It is not a de Polignac number, because 153938616317 - 2⁴ = 153938616301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153938616311) 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, 262693592 + ... + 262694177.

It is an arithmetic number, because the mean of its divisors is an integer number (38616001095).

Almost surely, 2^153938616317 is an apocalyptic number.

It is an amenable number.

153938616317 is a deficient number, since it is larger than the sum of its proper divisors (525388063).

153938616317 is an equidigital number, since it uses as much as digits as its factorization.

153938616317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525388062.

The product of its digits is 2449440, while the sum is 53.

The spelling of 153938616317 in words is "one hundred fifty-three billion, nine hundred thirty-eight million, six hundred sixteen thousand, three hundred seventeen".