984544145801 has 4 divisors (see below), whose sum is σ = 1005491893632. Its totient is φ = 963596397972.

The previous prime is 984544145777. The next prime is 984544145831. The reversal of 984544145801 is 108541445489.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 984544145801 - 2⁶ = 984544145737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (984544145831) 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, 10473873845 + ... + 10473873938.

It is an arithmetic number, because the mean of its divisors is an integer number (251372973408).

Almost surely, 2^984544145801 is an apocalyptic number.

It is an amenable number.

984544145801 is a deficient number, since it is larger than the sum of its proper divisors (20947747831).

984544145801 is a wasteful number, since it uses less digits than its factorization.

984544145801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20947747830.

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 984544145801 in words is "nine hundred eighty-four billion, five hundred forty-four million, one hundred forty-five thousand, eight hundred one".