101369899700644 has 9 divisors (see below), whose sum is σ = 177397359715051. Its totient is φ = 50684939782060.

The previous prime is 101369899700617. The next prime is 101369899700723. The reversal of 101369899700644 is 446007998963101.

The square root of 101369899700644 is 10068262.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101369899700644.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 17619459 + ... + 22653589.

Almost surely, 2^{101369899700644} is an apocalyptic number.

101369899700644 is the 10068262-nd square number.

It is an amenable number.

101369899700644 is a deficient number, since it is larger than the sum of its proper divisors (76027460014407).

101369899700644 is an frugal number, since it uses more digits than its factorization.

101369899700644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068266 (or 5034133 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 67.

The spelling of 101369899700644 in words is "one hundred one trillion, three hundred sixty-nine billion, eight hundred ninety-nine million, seven hundred thousand, six hundred forty-four".