247429502653 has 2 divisors, whose sum is σ = 247429502654. Its totient is φ = 247429502652.

The previous prime is 247429502611. The next prime is 247429502669. The reversal of 247429502653 is 356205924742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246828125124 + 601377529 = 496818^2 + 24523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247429502653 is a prime.

It is a super-2 number, since 2×247429502653² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247429502597 and 247429502606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247429502053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123714751326 + 123714751327.

It is an arithmetic number, because the mean of its divisors is an integer number (123714751327).

Almost surely, 2^247429502653 is an apocalyptic number.

It is an amenable number.

247429502653 is a deficient number, since it is larger than the sum of its proper divisors (1).

247429502653 is an equidigital number, since it uses as much as digits as its factorization.

247429502653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 247429502653 in words is "two hundred forty-seven billion, four hundred twenty-nine million, five hundred two thousand, six hundred fifty-three".