13655001242 has 4 divisors (see below), whose sum is σ = 20482501866. Its totient is φ = 6827500620.

The previous prime is 13655001209. The next prime is 13655001289. The reversal of 13655001242 is 24210055631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13556177761 + 98823481 = 116431^2 + 9941^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3413750309 + ... + 3413750312.

Almost surely, 2^13655001242 is an apocalyptic number.

13655001242 is a deficient number, since it is larger than the sum of its proper divisors (6827500624).

13655001242 is an equidigital number, since it uses as much as digits as its factorization.

13655001242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827500623.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 13655001242 its reverse (24210055631), we get a palindrome (37865056873).

The spelling of 13655001242 in words is "thirteen billion, six hundred fifty-five million, one thousand, two hundred forty-two".