438011000047 has 2 divisors, whose sum is σ = 438011000048. Its totient is φ = 438011000046.

The previous prime is 438010999991. The next prime is 438011000059. The reversal of 438011000047 is 740000110834.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438011000047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 438010999979 and 438011000024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438011009047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219005500023 + 219005500024.

It is an arithmetic number, because the mean of its divisors is an integer number (219005500024).

Almost surely, 2^438011000047 is an apocalyptic number.

438011000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

438011000047 is an equidigital number, since it uses as much as digits as its factorization.

438011000047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 438011000047 in words is "four hundred thirty-eight billion, eleven million, forty-seven", and thus it is an aban number.