1372781959606 has 16 divisors (see below), whose sum is σ = 2084158360368. Its totient is φ = 678063904000.

The previous prime is 1372781959597. The next prime is 1372781959667. The reversal of 1372781959606 is 6069591872731.

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, 1655406 + ... + 2342206.

It is an arithmetic number, because the mean of its divisors is an integer number (130259897523).

Almost surely, 2^{1372781959606} is an apocalyptic number.

1372781959606 is a deficient number, since it is larger than the sum of its proper divisors (711376400762).

1372781959606 is a wasteful number, since it uses less digits than its factorization.

1372781959606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698927.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The spelling of 1372781959606 in words is "one trillion, three hundred seventy-two billion, seven hundred eighty-one million, nine hundred fifty-nine thousand, six hundred six".