13735544809 has 24 divisors (see below), whose sum is σ = 16830339840. Its totient is φ = 11146179744.

The previous prime is 13735544807. The next prime is 13735544827. The reversal of 13735544809 is 90844553731.

It is not a de Polignac number, because 13735544809 - 2¹ = 13735544807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (13735544807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1693167 + ... + 1701259.

It is an arithmetic number, because the mean of its divisors is an integer number (701264160).

Almost surely, 2^13735544809 is an apocalyptic number.

13735544809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13735544809 is a deficient number, since it is larger than the sum of its proper divisors (3094795031).

13735544809 is a wasteful number, since it uses less digits than its factorization.

13735544809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9949 (or 9942 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 13735544809 in words is "thirteen billion, seven hundred thirty-five million, five hundred forty-four thousand, eight hundred nine".