245209708801 has 4 divisors (see below), whose sum is σ = 255871000512. Its totient is φ = 234548417092.

The previous prime is 245209708769. The next prime is 245209708813. The reversal of 245209708801 is 108807902542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245209708801 - 2⁵ = 245209708769 is a prime.

It is a super-4 number, since 4×245209708801⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245209708201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330645821 + ... + 5330645866.

It is an arithmetic number, because the mean of its divisors is an integer number (63967750128).

Almost surely, 2^245209708801 is an apocalyptic number.

It is an amenable number.

245209708801 is a deficient number, since it is larger than the sum of its proper divisors (10661291711).

245209708801 is a wasteful number, since it uses less digits than its factorization.

245209708801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661291710.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 245209708801 in words is "two hundred forty-five billion, two hundred nine million, seven hundred eight thousand, eight hundred one".