14121013642 has 4 divisors (see below), whose sum is σ = 21181520466. Its totient is φ = 7060506820.

The previous prime is 14121013597. The next prime is 14121013651. The reversal of 14121013642 is 24631012141.

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., 12832131841 + 1288881801 = 113279^2 + 35901^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3530253409 + ... + 3530253412.

Almost surely, 2^14121013642 is an apocalyptic number.

14121013642 is a deficient number, since it is larger than the sum of its proper divisors (7060506824).

14121013642 is an equidigital number, since it uses as much as digits as its factorization.

14121013642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7060506823.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 14121013642 its reverse (24631012141), we get a palindrome (38752025783).

The spelling of 14121013642 in words is "fourteen billion, one hundred twenty-one million, thirteen thousand, six hundred forty-two".