153538399999 has 16 divisors (see below), whose sum is σ = 162569887200. Its totient is φ = 144604417536.

The previous prime is 153538399967. The next prime is 153538400087. The reversal of 153538399999 is 999993835351.

It is a cyclic number.

It is not a de Polignac number, because 153538399999 - 2⁵ = 153538399967 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 (153538319999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2243187 + ... + 2310619.

It is an arithmetic number, because the mean of its divisors is an integer number (10160617950).

Almost surely, 2^153538399999 is an apocalyptic number.

153538399999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

153538399999 is a deficient number, since it is larger than the sum of its proper divisors (9031487201).

153538399999 is a wasteful number, since it uses less digits than its factorization.

153538399999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68154.

The product of its digits is 318864600, while the sum is 73.

The spelling of 153538399999 in words is "one hundred fifty-three billion, five hundred thirty-eight million, three hundred ninety-nine thousand, nine hundred ninety-nine".