18822070629 has 16 divisors (see below), whose sum is σ = 27905091840. Its totient is φ = 12538802880.

The previous prime is 18822070549. The next prime is 18822070633. The reversal of 18822070629 is 92607022881.

18822070629 is a `hidden beast` number, since 18 + 8 + 2 + 2 + 0 + 7 + 0 + 629 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-18822070629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18822070669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219357 + ... + 292850.

It is an arithmetic number, because the mean of its divisors is an integer number (1744068240).

Almost surely, 2^18822070629 is an apocalyptic number.

It is an amenable number.

18822070629 is a deficient number, since it is larger than the sum of its proper divisors (9083021211).

18822070629 is a wasteful number, since it uses less digits than its factorization.

18822070629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513577 (or 513571 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 18822070629 in words is "eighteen billion, eight hundred twenty-two million, seventy thousand, six hundred twenty-nine".