102302309506949 has 2 divisors, whose sum is σ = 102302309506950. Its totient is φ = 102302309506948.

The previous prime is 102302309506921. The next prime is 102302309506963. The reversal of 102302309506949 is 949605903203201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99420701406049 + 2881608100900 = 9970993^2 + 1697530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102302309506949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102302309506949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102302309506549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51151154753474 + 51151154753475.

It is an arithmetic number, because the mean of its divisors is an integer number (51151154753475).

Almost surely, 2^{102302309506949} is an apocalyptic number.

It is an amenable number.

102302309506949 is a deficient number, since it is larger than the sum of its proper divisors (1).

102302309506949 is an equidigital number, since it uses as much as digits as its factorization.

102302309506949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 102302309506949 in words is "one hundred two trillion, three hundred two billion, three hundred nine million, five hundred six thousand, nine hundred forty-nine".