18962989742 has 16 divisors (see below), whose sum is σ = 29431155600. Its totient is φ = 9152734080.

The previous prime is 18962989741. The next prime is 18962989763. The reversal of 18962989742 is 24798926981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18962989741) 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, 290609 + ... + 349827.

It is an arithmetic number, because the mean of its divisors is an integer number (1839447225).

Almost surely, 2^18962989742 is an apocalyptic number.

18962989742 is a deficient number, since it is larger than the sum of its proper divisors (10468165858).

18962989742 is a wasteful number, since it uses less digits than its factorization.

18962989742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64771.

The product of its digits is 31352832, while the sum is 65.

The spelling of 18962989742 in words is "eighteen billion, nine hundred sixty-two million, nine hundred eighty-nine thousand, seven hundred forty-two".