153438187848909 has 8 divisors (see below), whose sum is σ = 215351842595040. Its totient is φ = 96908329167696.

The previous prime is 153438187848899. The next prime is 153438187848917. The reversal of 153438187848909 is 909848781834351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 153438187848909 - 2²¹ = 153438185751757 is a prime.

It is a super-2 number, since 2×153438187848909² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153438187843909) 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 in 7 ways as a sum of consecutive naturals, for example, 1345949016162 + ... + 1345949016275.

It is an arithmetic number, because the mean of its divisors is an integer number (26918980324380).

Almost surely, 2^{153438187848909} is an apocalyptic number.

153438187848909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

153438187848909 is a deficient number, since it is larger than the sum of its proper divisors (61913654746131).

153438187848909 is a wasteful number, since it uses less digits than its factorization.

153438187848909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691898032459.

The product of its (nonzero) digits is 1672151040, while the sum is 78.

The spelling of 153438187848909 in words is "one hundred fifty-three trillion, four hundred thirty-eight billion, one hundred eighty-seven million, eight hundred forty-eight thousand, nine hundred nine".