13245452042 has 8 divisors (see below), whose sum is σ = 19870798500. Its totient is φ = 6621852544.

The previous prime is 13245452039. The next prime is 13245452047. The reversal of 13245452042 is 24025454231.

It can be written as a sum of positive squares in 2 ways, for example, as 9465538681 + 3779913361 = 97291^2 + 61481^2 .

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 (13245452047) 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, 417617 + ... + 448212.

Almost surely, 2^13245452042 is an apocalyptic number.

13245452042 is a deficient number, since it is larger than the sum of its proper divisors (6625346458).

13245452042 is an equidigital number, since it uses as much as digits as its factorization.

13245452042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873480.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 13245452042 in words is "thirteen billion, two hundred forty-five million, four hundred fifty-two thousand, forty-two".