13650387730 has 64 divisors (see below), whose sum is σ = 28304909568. Its totient is φ = 4642894080.

The previous prime is 13650387703. The next prime is 13650387731. The reversal of 13650387730 is 3778305631.

It is not an unprimeable number, because it can be changed into a prime (13650387731) 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, 11557740 + ... + 11558920.

It is an arithmetic number, because the mean of its divisors is an integer number (442264212).

Almost surely, 2^13650387730 is an apocalyptic number.

13650387730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13650387730 is an abundant number, since it is smaller than the sum of its proper divisors (14654521838).

13650387730 is a wasteful number, since it uses less digits than its factorization.

13650387730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 13650387730 in words is "thirteen billion, six hundred fifty million, three hundred eighty-seven thousand, seven hundred thirty".