101000009994644 has 24 divisors (see below), whose sum is σ = 176865762608640. Its totient is φ = 50466945759296.

The previous prime is 101000009994643. The next prime is 101000009994707. The reversal of 101000009994644 is 446499900000101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000009994643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36161219 + ... + 38854005.

It is an arithmetic number, because the mean of its divisors is an integer number (7369406775360).

Almost surely, 2^{101000009994644} is an apocalyptic number.

It is an amenable number.

101000009994644 is a deficient number, since it is larger than the sum of its proper divisors (75865752613996).

101000009994644 is a wasteful number, since it uses less digits than its factorization.

101000009994644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698927 (or 2698925 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

Adding to 101000009994644 its reverse (446499900000101), we get a palindrome (547499909994745).

The spelling of 101000009994644 in words is "one hundred one trillion, nine million, nine hundred ninety-four thousand, six hundred forty-four".