18963418070 has 16 divisors (see below), whose sum is σ = 34383309408. Its totient is φ = 7529999040.

The previous prime is 18963418069. The next prime is 18963418079. The reversal of 18963418070 is 7081436981.

It is a super-2 number, since 2×18963418070² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18963418079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6919586 + ... + 6922325.

It is an arithmetic number, because the mean of its divisors is an integer number (2148956838).

Almost surely, 2^18963418070 is an apocalyptic number.

18963418070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18963418070 is a deficient number, since it is larger than the sum of its proper divisors (15419891338).

18963418070 is a wasteful number, since it uses less digits than its factorization.

18963418070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13842055.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 18963418070 in words is "eighteen billion, nine hundred sixty-three million, four hundred eighteen thousand, seventy".