18014739474 has 16 divisors (see below), whose sum is σ = 36046317312. Its totient is φ = 6002106768.

The previous prime is 18014739473. The next prime is 18014739493. The reversal of 18014739474 is 47493741081.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18014739473) 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 7 ways as a sum of consecutive naturals, for example, 687669 + ... + 713384.

It is an arithmetic number, because the mean of its divisors is an integer number (2252894832).

Almost surely, 2^18014739474 is an apocalyptic number.

18014739474 is an abundant number, since it is smaller than the sum of its proper divisors (18031577838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18014739474 is a wasteful number, since it uses less digits than its factorization.

18014739474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403201.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 18014739474 in words is "eighteen billion, fourteen million, seven hundred thirty-nine thousand, four hundred seventy-four".