13655473650 has 432 divisors, whose sum is σ = 46792130112. Its totient is φ = 2780179200.

The previous prime is 13655473633. The next prime is 13655473661. The reversal of 13655473650 is 5637455631.

13655473650 is a `hidden beast` number, since 1 + 36 + 554 + 7 + 3 + 65 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 13655473596 and 13655473605.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 39352777 + ... + 39353123.

It is an arithmetic number, because the mean of its divisors is an integer number (108315116).

Almost surely, 2^13655473650 is an apocalyptic number.

13655473650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13655473650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23396065056).

13655473650 is an abundant number, since it is smaller than the sum of its proper divisors (33136656462).

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

13655473650 is a wasteful number, since it uses less digits than its factorization.

13655473650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 13655473650 in words is "thirteen billion, six hundred fifty-five million, four hundred seventy-three thousand, six hundred fifty".