973118203644 has 12 divisors (see below), whose sum is σ = 2270609141864. Its totient is φ = 324372734544.

The previous prime is 973118203633. The next prime is 973118203649. The reversal of 973118203644 is 446302811379.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 973118203593 and 973118203602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973118203649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40546591807 + ... + 40546591830.

Almost surely, 2^973118203644 is an apocalyptic number.

It is an amenable number.

973118203644 is an abundant number, since it is smaller than the sum of its proper divisors (1297490938220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

973118203644 is a wasteful number, since it uses less digits than its factorization.

973118203644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81093183644 (or 81093183642 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 973118203644 in words is "nine hundred seventy-three billion, one hundred eighteen million, two hundred three thousand, six hundred forty-four".