100363542644 has 24 divisors (see below), whose sum is σ = 183314742408. Its totient is φ = 48034088960.

The previous prime is 100363542637. The next prime is 100363542649. The reversal of 100363542644 is 446245363001.

It can be written as a sum of positive squares in 4 ways, for example, as 501222544 + 99862320100 = 22388^2 + 316010^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100363542598 and 100363542607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100363542649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5764637 + ... + 5782020.

It is an arithmetic number, because the mean of its divisors is an integer number (7638114267).

Almost surely, 2^100363542644 is an apocalyptic number.

It is an amenable number.

100363542644 is a deficient number, since it is larger than the sum of its proper divisors (82951199764).

100363542644 is a wasteful number, since it uses less digits than its factorization.

100363542644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11546755 (or 11546753 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 100363542644 in words is "one hundred billion, three hundred sixty-three million, five hundred forty-two thousand, six hundred forty-four".