741287986666 has 4 divisors (see below), whose sum is σ = 1111931980002. Its totient is φ = 370643993332.

The previous prime is 741287986597. The next prime is 741287986693. The reversal of 741287986666 is 666689782147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 708662596041 + 32625390625 = 841821^2 + 180625^2 .

It is a junction number, because it is equal to n+sod(n) for n = 741287986595 and 741287986604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185321996665 + ... + 185321996668.

Almost surely, 2^741287986666 is an apocalyptic number.

741287986666 is a deficient number, since it is larger than the sum of its proper divisors (370643993336).

741287986666 is a wasteful number, since it uses less digits than its factorization.

741287986666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370643993335.

The product of its digits is 292626432, while the sum is 70.

The spelling of 741287986666 in words is "seven hundred forty-one billion, two hundred eighty-seven million, nine hundred eighty-six thousand, six hundred sixty-six".