13244442425 has 24 divisors (see below), whose sum is σ = 16714629600. Its totient is φ = 10407761280.

The previous prime is 13244442401. The next prime is 13244442437. The reversal of 13244442425 is 52424444231.

It is not a de Polignac number, because 13244442425 - 2¹² = 13244438329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2441366 + ... + 2446784.

It is an arithmetic number, because the mean of its divisors is an integer number (696442900).

Almost surely, 2^13244442425 is an apocalyptic number.

It is an amenable number.

13244442425 is a deficient number, since it is larger than the sum of its proper divisors (3470187175).

13244442425 is a wasteful number, since it uses less digits than its factorization.

13244442425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145 (or 7140 counting only the distinct ones).

The product of its digits is 122880, while the sum is 35.

Adding to 13244442425 its reverse (52424444231), we get a palindrome (65668886656).

The spelling of 13244442425 in words is "thirteen billion, two hundred forty-four million, four hundred forty-two thousand, four hundred twenty-five".