13655073489 has 32 divisors (see below), whose sum is σ = 19612200960. Its totient is φ = 8419859712.

The previous prime is 13655073479. The next prime is 13655073499. The reversal of 13655073489 is 98437055631.

It is an interprime number because it is at equal distance from previous prime (13655073479) and next prime (13655073499).

It is not a de Polignac number, because 13655073489 - 2²⁰ = 13654024913 is a prime.

It is a super-2 number, since 2×13655073489² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (13655073479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1495512 + ... + 1504614.

It is an arithmetic number, because the mean of its divisors is an integer number (612881280).

Almost surely, 2^13655073489 is an apocalyptic number.

It is an amenable number.

13655073489 is a deficient number, since it is larger than the sum of its proper divisors (5957127471).

13655073489 is a wasteful number, since it uses less digits than its factorization.

13655073489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9629.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 13655073489 in words is "thirteen billion, six hundred fifty-five million, seventy-three thousand, four hundred eighty-nine".