153117986873 has 2 divisors, whose sum is σ = 153117986874. Its totient is φ = 153117986872.

The previous prime is 153117986839. The next prime is 153117986897. The reversal of 153117986873 is 378689711351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152722295209 + 395691664 = 390797^2 + 19892^2 .

It is a cyclic number.

It is not a de Polignac number, because 153117986873 - 2¹⁶ = 153117921337 is a prime.

It is not a weakly prime, because it can be changed into another prime (153117986173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76558993436 + 76558993437.

It is an arithmetic number, because the mean of its divisors is an integer number (76558993437).

Almost surely, 2^153117986873 is an apocalyptic number.

It is an amenable number.

153117986873 is a deficient number, since it is larger than the sum of its proper divisors (1).

153117986873 is an equidigital number, since it uses as much as digits as its factorization.

153117986873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 59.

The spelling of 153117986873 in words is "one hundred fifty-three billion, one hundred seventeen million, nine hundred eighty-six thousand, eight hundred seventy-three".