102447703513 has 2 divisors, whose sum is σ = 102447703514. Its totient is φ = 102447703512.

The previous prime is 102447703493. The next prime is 102447703559. The reversal of 102447703513 is 315307744201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101513606544 + 934096969 = 318612^2 + 30563^2 .

It is an emirp because it is prime and its reverse (315307744201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102447703513 - 2¹⁷ = 102447572441 is a prime.

It is not a weakly prime, because it can be changed into another prime (102447703583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51223851756 + 51223851757.

It is an arithmetic number, because the mean of its divisors is an integer number (51223851757).

Almost surely, 2^102447703513 is an apocalyptic number.

It is an amenable number.

102447703513 is a deficient number, since it is larger than the sum of its proper divisors (1).

102447703513 is an equidigital number, since it uses as much as digits as its factorization.

102447703513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 102447703513 in words is "one hundred two billion, four hundred forty-seven million, seven hundred three thousand, five hundred thirteen".