153999999997 has 2 divisors, whose sum is σ = 153999999998. Its totient is φ = 153999999996.

The previous prime is 153999999977. The next prime is 154000000043. The reversal of 153999999997 is 799999999351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110550265081 + 43449734916 = 332491^2 + 208446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153999999997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153999999917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76999999998 + 76999999999.

It is an arithmetic number, because the mean of its divisors is an integer number (76999999999).

Almost surely, 2^153999999997 is an apocalyptic number.

It is an amenable number.

153999999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

153999999997 is an equidigital number, since it uses as much as digits as its factorization.

153999999997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4519905705, while the sum is 88.

The spelling of 153999999997 in words is "one hundred fifty-three billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-seven".