18914630542 has 16 divisors (see below), whose sum is σ = 30055309200. Its totient is φ = 8896728448.

The previous prime is 18914630519. The next prime is 18914630551. The reversal of 18914630542 is 24503641981.

It is a congruent number.

It is an unprimeable number.

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, 61153 + ... + 203884.

It is an arithmetic number, because the mean of its divisors is an integer number (1878456825).

Almost surely, 2^18914630542 is an apocalyptic number.

18914630542 is a deficient number, since it is larger than the sum of its proper divisors (11140678658).

18914630542 is a wasteful number, since it uses less digits than its factorization.

18914630542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267155.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 18914630542 in words is "eighteen billion, nine hundred fourteen million, six hundred thirty thousand, five hundred forty-two".