102444433013 has 6 divisors (see below), whose sum is σ = 110930954274. Its totient is φ = 94564091856.

The previous prime is 102444433001. The next prime is 102444433019. The reversal of 102444433013 is 310334444201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1640088004 + 100804345009 = 40498^2 + 317497^2 .

It is not a de Polignac number, because 102444433013 - 2¹⁸ = 102444170869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102444433019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303089870 + ... + 303090207.

It is an arithmetic number, because the mean of its divisors is an integer number (18488492379).

Almost surely, 2^102444433013 is an apocalyptic number.

102444433013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

102444433013 is a deficient number, since it is larger than the sum of its proper divisors (8486521261).

102444433013 is an equidigital number, since it uses as much as digits as its factorization.

102444433013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606180103 (or 606180090 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 102444433013 its reverse (310334444201), we get a palindrome (412778877214).

The spelling of 102444433013 in words is "one hundred two billion, four hundred forty-four million, four hundred thirty-three thousand, thirteen".