42738009467 has 2 divisors, whose sum is σ = 42738009468. Its totient is φ = 42738009466.

The previous prime is 42738009463. The next prime is 42738009473. The reversal of 42738009467 is 76490083724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42738009467 - 2² = 42738009463 is a prime.

It is not a weakly prime, because it can be changed into another prime (42738009463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21369004733 + 21369004734.

It is an arithmetic number, because the mean of its divisors is an integer number (21369004734).

Almost surely, 2^42738009467 is an apocalyptic number.

42738009467 is a deficient number, since it is larger than the sum of its proper divisors (1).

42738009467 is an equidigital number, since it uses as much as digits as its factorization.

42738009467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 42738009467 in words is "forty-two billion, seven hundred thirty-eight million, nine thousand, four hundred sixty-seven".