245374061771 has 16 divisors (see below), whose sum is σ = 250969694976. Its totient is φ = 239841420000.

The previous prime is 245374061749. The next prime is 245374061773. The reversal of 245374061771 is 177160473542.

245374061771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 245374061771 - 2⁶ = 245374061707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245374061773) by changing a digit.

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, 10135301 + ... + 10159481.

It is an arithmetic number, because the mean of its divisors is an integer number (15685605936).

Almost surely, 2^245374061771 is an apocalyptic number.

245374061771 is a deficient number, since it is larger than the sum of its proper divisors (5595633205).

245374061771 is a wasteful number, since it uses less digits than its factorization.

245374061771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25474.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 245374061771 in words is "two hundred forty-five billion, three hundred seventy-four million, sixty-one thousand, seven hundred seventy-one".