103644455089 has 48 divisors (see below), whose sum is σ = 126452300800. Its totient is φ = 84817635840.

The previous prime is 103644455087. The next prime is 103644455143. The reversal of 103644455089 is 980554446301.

It is not a de Polignac number, because 103644455089 - 2¹ = 103644455087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103644455087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326953959 + ... + 326954275.

Almost surely, 2^103644455089 is an apocalyptic number.

It is an amenable number.

103644455089 is a deficient number, since it is larger than the sum of its proper divisors (22807845711).

103644455089 is an frugal number, since it uses more digits than its factorization.

103644455089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 103644455089 in words is "one hundred three billion, six hundred forty-four million, four hundred fifty-five thousand, eighty-nine".