13024400245 has 4 divisors (see below), whose sum is σ = 15629280300. Its totient is φ = 10419520192.

The previous prime is 13024400237. The next prime is 13024400251. The reversal of 13024400245 is 54200442031.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8994435921 + 4029964324 = 94839^2 + 63482^2 .

It is a cyclic number.

It is not a de Polignac number, because 13024400245 - 2³ = 13024400237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302440020 + ... + 1302440029.

It is an arithmetic number, because the mean of its divisors is an integer number (3907320075).

Almost surely, 2^13024400245 is an apocalyptic number.

It is an amenable number.

13024400245 is a deficient number, since it is larger than the sum of its proper divisors (2604880055).

13024400245 is an equidigital number, since it uses as much as digits as its factorization.

13024400245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604880054.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 13024400245 its reverse (54200442031), we get a palindrome (67224842276).

The spelling of 13024400245 in words is "thirteen billion, twenty-four million, four hundred thousand, two hundred forty-five".