102274076449 has 2 divisors, whose sum is σ = 102274076450. Its totient is φ = 102274076448.

The previous prime is 102274076389. The next prime is 102274076491. The reversal of 102274076449 is 944670472201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56159520400 + 46114556049 = 236980^2 + 214743^2 .

It is a cyclic number.

It is not a de Polignac number, because 102274076449 - 2²¹ = 102271979297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102274076399 and 102274076408.

It is not a weakly prime, because it can be changed into another prime (102274070449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51137038224 + 51137038225.

It is an arithmetic number, because the mean of its divisors is an integer number (51137038225).

Almost surely, 2^102274076449 is an apocalyptic number.

It is an amenable number.

102274076449 is a deficient number, since it is larger than the sum of its proper divisors (1).

102274076449 is an equidigital number, since it uses as much as digits as its factorization.

102274076449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 102274076449 in words is "one hundred two billion, two hundred seventy-four million, seventy-six thousand, four hundred forty-nine".