1994010929 has 2 divisors, whose sum is σ = 1994010930. Its totient is φ = 1994010928.

The previous prime is 1994010911. The next prime is 1994010947. The reversal of 1994010929 is 9290104991.

It is a balanced prime because it is at equal distance from previous prime (1994010911) and next prime (1994010947).

It can be written as a sum of positive squares in only one way, i.e., 1263660304 + 730350625 = 35548^2 + 27025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1994010929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1994010929.

It is not a weakly prime, because it can be changed into another prime (1994010989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997005464 + 997005465.

It is an arithmetic number, because the mean of its divisors is an integer number (997005465).

Almost surely, 2^1994010929 is an apocalyptic number.

It is an amenable number.

1994010929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1994010929 is an equidigital number, since it uses as much as digits as its factorization.

1994010929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 1994010929 is about 44654.3494969975. The cubic root of 1994010929 is about 1258.6621663632.

The spelling of 1994010929 in words is "one billion, nine hundred ninety-four million, ten thousand, nine hundred twenty-nine".