994821774374 has 32 divisors (see below), whose sum is σ = 1527111843840. Its totient is φ = 485869823712.

The previous prime is 994821774361. The next prime is 994821774389. The reversal of 994821774374 is 473477128499.

It is a self number, because there is not a number n which added to its sum of digits gives 994821774374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49027259 + ... + 49047545.

It is an arithmetic number, because the mean of its divisors is an integer number (47722245120).

Almost surely, 2^994821774374 is an apocalyptic number.

994821774374 is a deficient number, since it is larger than the sum of its proper divisors (532290069466).

994821774374 is a wasteful number, since it uses less digits than its factorization.

994821774374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22364.

The product of its digits is 85349376, while the sum is 65.

The spelling of 994821774374 in words is "nine hundred ninety-four billion, eight hundred twenty-one million, seven hundred seventy-four thousand, three hundred seventy-four".