247433010449 has 2 divisors, whose sum is σ = 247433010450. Its totient is φ = 247433010448.

The previous prime is 247433010373. The next prime is 247433010491. The reversal of 247433010449 is 944010334742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203978689600 + 43454320849 = 451640^2 + 208457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247433010449 is a prime.

It is a super-2 number, since 2×247433010449² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247433000449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123716505224 + 123716505225.

It is an arithmetic number, because the mean of its divisors is an integer number (123716505225).

Almost surely, 2^247433010449 is an apocalyptic number.

It is an amenable number.

247433010449 is a deficient number, since it is larger than the sum of its proper divisors (1).

247433010449 is an equidigital number, since it uses as much as digits as its factorization.

247433010449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 247433010449 in words is "two hundred forty-seven billion, four hundred thirty-three million, ten thousand, four hundred forty-nine".