994738374901 has 8 divisors (see below), whose sum is σ = 1063680640344. Its totient is φ = 926954803200.

The previous prime is 994738374893. The next prime is 994738374923. The reversal of 994738374901 is 109473837499.

It can be written as a sum of positive squares in 4 ways, for example, as 751715010225 + 243023364676 = 867015^2 + 492974^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 994738374901 - 2³ = 994738374893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994738374941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289671660 + ... + 289675093.

It is an arithmetic number, because the mean of its divisors is an integer number (132960080043).

Almost surely, 2^994738374901 is an apocalyptic number.

It is an amenable number.

994738374901 is a deficient number, since it is larger than the sum of its proper divisors (68942265443).

994738374901 is a wasteful number, since it uses less digits than its factorization.

994738374901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579346871.

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 994738374901 in words is "nine hundred ninety-four billion, seven hundred thirty-eight million, three hundred seventy-four thousand, nine hundred one".