1373604650728 has 32 divisors (see below), whose sum is σ = 2700224343360. Its totient is φ = 653827870080.

The previous prime is 1373604650713. The next prime is 1373604650783. The reversal of 1373604650728 is 8270564063731.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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, 17651325 + ... + 17728972.

It is an arithmetic number, because the mean of its divisors is an integer number (84382010730).

Almost surely, 2^{1373604650728} is an apocalyptic number.

It is an amenable number.

1373604650728 is a deficient number, since it is larger than the sum of its proper divisors (1326619692632).

1373604650728 is a wasteful number, since it uses less digits than its factorization.

1373604650728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35380537 (or 35380533 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 1373604650728 in words is "one trillion, three hundred seventy-three billion, six hundred four million, six hundred fifty thousand, seven hundred twenty-eight".