245344402323407 has 4 divisors (see below), whose sum is σ = 245348135736696. Its totient is φ = 245340668910120.

The previous prime is 245344402323379. The next prime is 245344402323413. The reversal of 245344402323407 is 704323204443542.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 245344402323407 - 2²⁴ = 245344385546191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245344402323707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1866608069 + ... + 1866739502.

It is an arithmetic number, because the mean of its divisors is an integer number (61337033934174).

Almost surely, 2^{245344402323407} is an apocalyptic number.

245344402323407 is a deficient number, since it is larger than the sum of its proper divisors (3733413289).

245344402323407 is an equidigital number, since it uses as much as digits as its factorization.

245344402323407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733413288.

The product of its (nonzero) digits is 7741440, while the sum is 47.

Adding to 245344402323407 its reverse (704323204443542), we get a palindrome (949667606766949).

The spelling of 245344402323407 in words is "two hundred forty-five trillion, three hundred forty-four billion, four hundred two million, three hundred twenty-three thousand, four hundred seven".