403784947073 has 2 divisors, whose sum is σ = 403784947074. Its totient is φ = 403784947072.

The previous prime is 403784947031. The next prime is 403784947079. The reversal of 403784947073 is 370749487304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351260099584 + 52524847489 = 592672^2 + 229183^2 .

It is a cyclic number.

It is not a de Polignac number, because 403784947073 - 2¹⁰ = 403784946049 is a prime.

It is a super-2 number, since 2×403784947073² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (403784947079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201892473536 + 201892473537.

It is an arithmetic number, because the mean of its divisors is an integer number (201892473537).

Almost surely, 2^403784947073 is an apocalyptic number.

It is an amenable number.

403784947073 is a deficient number, since it is larger than the sum of its proper divisors (1).

403784947073 is an equidigital number, since it uses as much as digits as its factorization.

403784947073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 403784947073 in words is "four hundred three billion, seven hundred eighty-four million, nine hundred forty-seven thousand, seventy-three".