245332463636 has 24 divisors (see below), whose sum is σ = 462560970984. Its totient is φ = 113180497920.

The previous prime is 245332463627. The next prime is 245332463653. The reversal of 245332463636 is 636364233542.

It can be written as a sum of positive squares in 4 ways, for example, as 31842261136 + 213490202500 = 178444^2 + 462050^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919625 + ... + 1156016.

It is an arithmetic number, because the mean of its divisors is an integer number (19273373791).

Almost surely, 2^245332463636 is an apocalyptic number.

245332463636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

245332463636 is a deficient number, since it is larger than the sum of its proper divisors (217228507348).

245332463636 is a wasteful number, since it uses less digits than its factorization.

245332463636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077931 (or 2077929 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 47.

The spelling of 245332463636 in words is "two hundred forty-five billion, three hundred thirty-two million, four hundred sixty-three thousand, six hundred thirty-six".