19723980374602 has 128 divisors (see below), whose sum is σ = 35400880120320. Its totient is φ = 8067664281600.

The previous prime is 19723980374597. The next prime is 19723980374621. The reversal of 19723980374602 is 20647308932791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3122361948 + ... + 3122368264.

It is an arithmetic number, because the mean of its divisors is an integer number (276569375940).

Almost surely, 2^{19723980374602} is an apocalyptic number.

19723980374602 is a deficient number, since it is larger than the sum of its proper divisors (15676899745718).

19723980374602 is a wasteful number, since it uses less digits than its factorization.

19723980374602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 19723980374602 in words is "nineteen trillion, seven hundred twenty-three billion, nine hundred eighty million, three hundred seventy-four thousand, six hundred two".