18973603741 has 8 divisors (see below), whose sum is σ = 19042474880. Its totient is φ = 18904832352.

The previous prime is 18973603717. The next prime is 18973603787. The reversal of 18973603741 is 14730637981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18973603741 - 2¹³ = 18973595549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18973603711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367276 + ... + 415738.

It is an arithmetic number, because the mean of its divisors is an integer number (2380309360).

Almost surely, 2^18973603741 is an apocalyptic number.

It is an amenable number.

18973603741 is a deficient number, since it is larger than the sum of its proper divisors (68871139).

18973603741 is a wasteful number, since it uses less digits than its factorization.

18973603741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49875.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 18973603741 in words is "eighteen billion, nine hundred seventy-three million, six hundred three thousand, seven hundred forty-one".