15414128309 has 16 divisors (see below), whose sum is σ = 16675538880. Its totient is φ = 14200064640.

The previous prime is 15414128299. The next prime is 15414128311. The reversal of 15414128309 is 90382141451.

It is not a de Polignac number, because 15414128309 - 2²⁴ = 15397351093 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 (15414121309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206927 + ... + 271379.

It is an arithmetic number, because the mean of its divisors is an integer number (1042221180).

Almost surely, 2^15414128309 is an apocalyptic number.

15414128309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

15414128309 is a deficient number, since it is larger than the sum of its proper divisors (1261410571).

15414128309 is a wasteful number, since it uses less digits than its factorization.

15414128309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64820.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 15414128309 in words is "fifteen billion, four hundred fourteen million, one hundred twenty-eight thousand, three hundred nine".