245808751449 has 8 divisors (see below), whose sum is σ = 327752955072. Its totient is φ = 163868524400.

The previous prime is 245808751439. The next prime is 245808751451. The reversal of 245808751449 is 944157808542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245808751449 - 2¹¹ = 245808749401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245808751429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846789 + ... + 1099394.

It is an arithmetic number, because the mean of its divisors is an integer number (40969119384).

Almost surely, 2^245808751449 is an apocalyptic number.

It is an amenable number.

245808751449 is a deficient number, since it is larger than the sum of its proper divisors (81944203623).

245808751449 is a wasteful number, since it uses less digits than its factorization.

245808751449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988287.

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 245808751449 in words is "two hundred forty-five billion, eight hundred eight million, seven hundred fifty-one thousand, four hundred forty-nine".