947402424893 has 2 divisors, whose sum is σ = 947402424894. Its totient is φ = 947402424892.

The previous prime is 947402424863. The next prime is 947402424911. The reversal of 947402424893 is 398424204749.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 732234469849 + 215167955044 = 855707^2 + 463862^2 .

It is a cyclic number.

It is not a de Polignac number, because 947402424893 - 2²⁸ = 947133989437 is a prime.

It is a super-2 number, since 2×947402424893² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947402424853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473701212446 + 473701212447.

It is an arithmetic number, because the mean of its divisors is an integer number (473701212447).

Almost surely, 2^947402424893 is an apocalyptic number.

It is an amenable number.

947402424893 is a deficient number, since it is larger than the sum of its proper divisors (1).

947402424893 is an equidigital number, since it uses as much as digits as its factorization.

947402424893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 947402424893 in words is "nine hundred forty-seven billion, four hundred two million, four hundred twenty-four thousand, eight hundred ninety-three".