245839603989 has 16 divisors (see below), whose sum is σ = 374708492928. Its totient is φ = 140443862592.

The previous prime is 245839603987. The next prime is 245839603993. The reversal of 245839603989 is 989306938542.

It is not a de Polignac number, because 245839603989 - 2¹ = 245839603987 is a prime.

It is a super-2 number, since 2×245839603989² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245839603987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412082 + ... + 1576595.

It is an arithmetic number, because the mean of its divisors is an integer number (23419280808).

Almost surely, 2^245839603989 is an apocalyptic number.

It is an amenable number.

245839603989 is a deficient number, since it is larger than the sum of its proper divisors (128868888939).

245839603989 is a wasteful number, since it uses less digits than its factorization.

245839603989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992604.

The product of its (nonzero) digits is 100776960, while the sum is 66.

The spelling of 245839603989 in words is "two hundred forty-five billion, eight hundred thirty-nine million, six hundred three thousand, nine hundred eighty-nine".