18741047356 has 12 divisors (see below), whose sum is σ = 33596755920. Its totient is φ = 9141974240.

The previous prime is 18741047329. The next prime is 18741047357. The reversal of 18741047356 is 65374014781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18741047357) 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, 57137176 + ... + 57137503.

It is an arithmetic number, because the mean of its divisors is an integer number (2799729660).

Almost surely, 2^18741047356 is an apocalyptic number.

It is an amenable number.

18741047356 is a deficient number, since it is larger than the sum of its proper divisors (14855708564).

18741047356 is a wasteful number, since it uses less digits than its factorization.

18741047356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114274724 (or 114274722 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 18741047356 in words is "eighteen billion, seven hundred forty-one million, forty-seven thousand, three hundred fifty-six".