18080070457 has 4 divisors (see below), whose sum is σ = 18089063056. Its totient is φ = 18071077860.

The previous prime is 18080070439. The next prime is 18080070467. The reversal of 18080070457 is 75407008081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18080070457 - 2¹⁹ = 18079546169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18080070467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4493283 + ... + 4497304.

It is an arithmetic number, because the mean of its divisors is an integer number (4522265764).

Almost surely, 2^18080070457 is an apocalyptic number.

It is an amenable number.

18080070457 is a deficient number, since it is larger than the sum of its proper divisors (8992599).

18080070457 is an equidigital number, since it uses as much as digits as its factorization.

18080070457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8992598.

The product of its (nonzero) digits is 62720, while the sum is 40.

The spelling of 18080070457 in words is "eighteen billion, eighty million, seventy thousand, four hundred fifty-seven".