245436641622 has 32 divisors (see below), whose sum is σ = 554355992160. Its totient is φ = 80471028960.

The previous prime is 245436641617. The next prime is 245436641647. The reversal of 245436641622 is 226146634542.

It is a happy number.

245436641622 is a `hidden beast` number, since 2 + 4 + 543 + 6 + 6 + 41 + 62 + 2 = 666.

245436641622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 37251813 + ... + 37258400.

It is an arithmetic number, because the mean of its divisors is an integer number (17323624755).

Almost surely, 2^245436641622 is an apocalyptic number.

245436641622 is an abundant number, since it is smaller than the sum of its proper divisors (308919350538).

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

245436641622 is a wasteful number, since it uses less digits than its factorization.

245436641622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74510285 (or 74510279 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The spelling of 245436641622 in words is "two hundred forty-five billion, four hundred thirty-six million, six hundred forty-one thousand, six hundred twenty-two".