245599825684 has 12 divisors (see below), whose sum is σ = 429819321204. Its totient is φ = 122794305344.

The previous prime is 245599825619. The next prime is 245599825733. The reversal of 245599825684 is 486528995542.

It can be written as a sum of positive squares in 2 ways, for example, as 230613169284 + 14986656400 = 480222^2 + 122420^2 .

It is a super-2 number, since 2×245599825684² (a number of 24 digits) contains 22 as substring.

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, 1302547 + ... + 1479130.

It is an arithmetic number, because the mean of its divisors is an integer number (35818276767).

Almost surely, 2^245599825684 is an apocalyptic number.

It is an amenable number.

245599825684 is a deficient number, since it is larger than the sum of its proper divisors (184219495520).

245599825684 is a wasteful number, since it uses less digits than its factorization.

245599825684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803754 (or 2803752 counting only the distinct ones).

The product of its digits is 248832000, while the sum is 67.

The spelling of 245599825684 in words is "two hundred forty-five billion, five hundred ninety-nine million, eight hundred twenty-five thousand, six hundred eighty-four".