19316481246064 has 40 divisors (see below), whose sum is σ = 37578556085840. Its totient is φ = 9618841248768.

The previous prime is 19316481245989. The next prime is 19316481246107. The reversal of 19316481246064 is 46064218461391.

It is a junction number, because it is equal to n+sod(n) for n = 19316481245996 and 19316481246014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4337272 + ... + 7579240.

It is an arithmetic number, because the mean of its divisors is an integer number (939463902146).

Almost surely, 2^{19316481246064} is an apocalyptic number.

It is an amenable number.

19316481246064 is a deficient number, since it is larger than the sum of its proper divisors (18262074839776).

19316481246064 is a wasteful number, since it uses less digits than its factorization.

19316481246064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243497 (or 3243491 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 19316481246064 in words is "nineteen trillion, three hundred sixteen billion, four hundred eighty-one million, two hundred forty-six thousand, sixty-four".