13650335949 has 4 divisors (see below), whose sum is σ = 18200447936. Its totient is φ = 9100223964.

The previous prime is 13650335891. The next prime is 13650335953. The reversal of 13650335949 is 94953305631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94953305631 = 3 ⋅31651101877.

It is not a de Polignac number, because 13650335949 - 2⁹ = 13650335437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13650335898 and 13650335907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13650335999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2275055989 + ... + 2275055994.

It is an arithmetic number, because the mean of its divisors is an integer number (4550111984).

Almost surely, 2^13650335949 is an apocalyptic number.

It is an amenable number.

13650335949 is a deficient number, since it is larger than the sum of its proper divisors (4550111987).

13650335949 is an equidigital number, since it uses as much as digits as its factorization.

13650335949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550111986.

The product of its (nonzero) digits is 1312200, while the sum is 48.

The spelling of 13650335949 in words is "thirteen billion, six hundred fifty million, three hundred thirty-five thousand, nine hundred forty-nine".