153185519989 has 2 divisors, whose sum is σ = 153185519990. Its totient is φ = 153185519988.

The previous prime is 153185519969. The next prime is 153185520011. The reversal of 153185519989 is 989915581351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145281420964 + 7904099025 = 381158^2 + 88905^2 .

It is an emirp because it is prime and its reverse (989915581351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153185519989 - 2²⁹ = 152648649077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153185519989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153185519969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76592759994 + 76592759995.

It is an arithmetic number, because the mean of its divisors is an integer number (76592759995).

Almost surely, 2^153185519989 is an apocalyptic number.

It is an amenable number.

153185519989 is a deficient number, since it is larger than the sum of its proper divisors (1).

153185519989 is an equidigital number, since it uses as much as digits as its factorization.

153185519989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496000, while the sum is 64.

The spelling of 153185519989 in words is "one hundred fifty-three billion, one hundred eighty-five million, five hundred nineteen thousand, nine hundred eighty-nine".