13450434100 has 18 divisors (see below), whose sum is σ = 29187442214. Its totient is φ = 5380173600.

The previous prime is 13450434091. The next prime is 13450434131. The reversal of 13450434100 is 143405431.

It can be written as a sum of positive squares in 3 ways, for example, as 2340430884 + 11110003216 = 48378^2 + 105404^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67252071 + ... + 67252270.

Almost surely, 2^13450434100 is an apocalyptic number.

13450434100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13450434100 is an abundant number, since it is smaller than the sum of its proper divisors (15737008114).

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

13450434100 is a wasteful number, since it uses less digits than its factorization.

13450434100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134504355 (or 134504348 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13450434100 its reverse (143405431), we get a palindrome (13593839531).

The spelling of 13450434100 in words is "thirteen billion, four hundred fifty million, four hundred thirty-four thousand, one hundred".