806974520953 has 2 divisors, whose sum is σ = 806974520954. Its totient is φ = 806974520952.

The previous prime is 806974520941. The next prime is 806974520959. The reversal of 806974520953 is 359025479608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705485764624 + 101488756329 = 839932^2 + 318573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-806974520953 is a prime.

It is not a weakly prime, because it can be changed into another prime (806974520959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403487260476 + 403487260477.

It is an arithmetic number, because the mean of its divisors is an integer number (403487260477).

Almost surely, 2^806974520953 is an apocalyptic number.

It is an amenable number.

806974520953 is a deficient number, since it is larger than the sum of its proper divisors (1).

806974520953 is an equidigital number, since it uses as much as digits as its factorization.

806974520953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 806974520953 in words is "eight hundred six billion, nine hundred seventy-four million, five hundred twenty thousand, nine hundred fifty-three".