102255302449 has 2 divisors, whose sum is σ = 102255302450. Its totient is φ = 102255302448.

The previous prime is 102255302423. The next prime is 102255302497. The reversal of 102255302449 is 944203552201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92723295025 + 9532007424 = 304505^2 + 97632^2 .

It is a cyclic number.

It is not a de Polignac number, because 102255302449 - 2¹¹ = 102255300401 is a prime.

It is a super-2 number, since 2×102255302449² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102255302749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51127651224 + 51127651225.

It is an arithmetic number, because the mean of its divisors is an integer number (51127651225).

Almost surely, 2^102255302449 is an apocalyptic number.

It is an amenable number.

102255302449 is a deficient number, since it is larger than the sum of its proper divisors (1).

102255302449 is an equidigital number, since it uses as much as digits as its factorization.

102255302449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 102255302449 in words is "one hundred two billion, two hundred fifty-five million, three hundred two thousand, four hundred forty-nine".