245068561936 has 45 divisors (see below), whose sum is σ = 521956351119. Its totient is φ = 111384900000.

The previous prime is 245068561919. The next prime is 245068561961. The reversal of 245068561936 is 639165860542.

The square root of 245068561936 is 495044.

It is a perfect power (a square), and thus also a powerful number.

245068561936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×245068561936³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21776311 + ... + 21787561.

Almost surely, 2^245068561936 is an apocalyptic number.

245068561936 is the 495044-th square number.

It is an amenable number.

245068561936 is an abundant number, since it is smaller than the sum of its proper divisors (276887789183).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245068561936 is an frugal number, since it uses more digits than its factorization.

245068561936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22532 (or 11264 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 245068561936 in words is "two hundred forty-five billion, sixty-eight million, five hundred sixty-one thousand, nine hundred thirty-six".