102113621593 has 2 divisors, whose sum is σ = 102113621594. Its totient is φ = 102113621592.

The previous prime is 102113621587. The next prime is 102113621651. The reversal of 102113621593 is 395126311201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52721670544 + 49391951049 = 229612^2 + 222243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102113621593 is a prime.

It is not a weakly prime, because it can be changed into another prime (102113621563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056810796 + 51056810797.

It is an arithmetic number, because the mean of its divisors is an integer number (51056810797).

Almost surely, 2^102113621593 is an apocalyptic number.

It is an amenable number.

102113621593 is a deficient number, since it is larger than the sum of its proper divisors (1).

102113621593 is an equidigital number, since it uses as much as digits as its factorization.

102113621593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

Adding to 102113621593 its reverse (395126311201), we get a palindrome (497239932794).

The spelling of 102113621593 in words is "one hundred two billion, one hundred thirteen million, six hundred twenty-one thousand, five hundred ninety-three".