1016797973 has 2 divisors, whose sum is σ = 1016797974. Its totient is φ = 1016797972.

The previous prime is 1016797933. The next prime is 1016797979. The reversal of 1016797973 is 3797976101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761373649 + 255424324 = 27593^2 + 15982^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016797973 - 2²⁴ = 1000020757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016797979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508398986 + 508398987.

It is an arithmetic number, because the mean of its divisors is an integer number (508398987).

Almost surely, 2^1016797973 is an apocalyptic number.

It is an amenable number.

1016797973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016797973 is an equidigital number, since it uses as much as digits as its factorization.

1016797973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500094, while the sum is 50.

The square root of 1016797973 is about 31887.2697639669. The cubic root of 1016797973 is about 1005.5682612510.

The spelling of 1016797973 in words is "one billion, sixteen million, seven hundred ninety-seven thousand, nine hundred seventy-three".