14909409252 has 18 divisors (see below), whose sum is σ = 37687673478. Its totient is φ = 4969803072.

The previous prime is 14909409227. The next prime is 14909409253. The reversal of 14909409252 is 25290490941.

It can be written as a sum of positive squares in only one way, i.e., 13203388836 + 1706020416 = 114906^2 + 41304^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 14909409198 and 14909409207.

It is not an unprimeable number, because it can be changed into a prime (14909409253) 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 5 ways as a sum of consecutive naturals, for example, 207075093 + ... + 207075164.

Almost surely, 2^14909409252 is an apocalyptic number.

14909409252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14909409252 is an abundant number, since it is smaller than the sum of its proper divisors (22778264226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14909409252 is a wasteful number, since it uses less digits than its factorization.

14909409252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414150267 (or 414150262 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 14909409252 in words is "fourteen billion, nine hundred nine million, four hundred nine thousand, two hundred fifty-two".