403130019791 has 2 divisors, whose sum is σ = 403130019792. Its totient is φ = 403130019790.

The previous prime is 403130019779. The next prime is 403130019823. The reversal of 403130019791 is 197910031304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403130019791 - 2¹⁸ = 403129757647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403130019191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201565009895 + 201565009896.

It is an arithmetic number, because the mean of its divisors is an integer number (201565009896).

Almost surely, 2^403130019791 is an apocalyptic number.

403130019791 is a deficient number, since it is larger than the sum of its proper divisors (1).

403130019791 is an equidigital number, since it uses as much as digits as its factorization.

403130019791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 403130019791 in words is "four hundred three billion, one hundred thirty million, nineteen thousand, seven hundred ninety-one".