981692973 has 16 divisors (see below), whose sum is σ = 1456373440. Its totient is φ = 653555952.

The previous prime is 981692953. The next prime is 981692993. The reversal of 981692973 is 379296189.

981692973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (981692953) and next prime (981692993).

It is not a de Polignac number, because 981692973 - 2⁹ = 981692461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981692953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5011 + ... + 44592.

It is an arithmetic number, because the mean of its divisors is an integer number (91023340).

Almost surely, 2^981692973 is an apocalyptic number.

It is an amenable number.

981692973 is a deficient number, since it is larger than the sum of its proper divisors (474680467).

981692973 is a wasteful number, since it uses less digits than its factorization.

981692973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50345 (or 50339 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 981692973 is about 31331.9800363782. The cubic root of 981692973 is about 993.8600356618.

The spelling of 981692973 in words is "nine hundred eighty-one million, six hundred ninety-two thousand, nine hundred seventy-three".