13252273642 has 8 divisors (see below), whose sum is σ = 19904672196. Its totient is φ = 6617382912.

The previous prime is 13252273633. The next prime is 13252273649. The reversal of 13252273642 is 24637225231.

It can be written as a sum of positive squares in 2 ways, for example, as 13135222881 + 117050761 = 114609^2 + 10819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13252273649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4375063 + ... + 4378090.

Almost surely, 2^13252273642 is an apocalyptic number.

13252273642 is a deficient number, since it is larger than the sum of its proper divisors (6652398554).

13252273642 is an equidigital number, since it uses as much as digits as its factorization.

13252273642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8753912.

The product of its digits is 120960, while the sum is 37.

Adding to 13252273642 its reverse (24637225231), we get a palindrome (37889498873).

The spelling of 13252273642 in words is "thirteen billion, two hundred fifty-two million, two hundred seventy-three thousand, six hundred forty-two".