18070542407 has 2 divisors, whose sum is σ = 18070542408. Its totient is φ = 18070542406.

The previous prime is 18070542359. The next prime is 18070542419. The reversal of 18070542407 is 70424507081.

It is a strong prime.

It is an emirp because it is prime and its reverse (70424507081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18070542407 - 2²⁰ = 18069493831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18070542487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9035271203 + 9035271204.

It is an arithmetic number, because the mean of its divisors is an integer number (9035271204).

Almost surely, 2^18070542407 is an apocalyptic number.

18070542407 is a deficient number, since it is larger than the sum of its proper divisors (1).

18070542407 is an equidigital number, since it uses as much as digits as its factorization.

18070542407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 38.

The spelling of 18070542407 in words is "eighteen billion, seventy million, five hundred forty-two thousand, four hundred seven".