10099995815797 has 2 divisors, whose sum is σ = 10099995815798. Its totient is φ = 10099995815796.

The previous prime is 10099995815761. The next prime is 10099995815821. The reversal of 10099995815797 is 79751859999001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8382032490276 + 1717963325521 = 2895174^2 + 1310711^2 .

It is an emirp because it is prime and its reverse (79751859999001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10099995815797 - 2⁷ = 10099995815669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10099995855797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5049997907898 + 5049997907899.

It is an arithmetic number, because the mean of its divisors is an integer number (5049997907899).

Almost surely, 2^{10099995815797} is an apocalyptic number.

It is an amenable number.

10099995815797 is a deficient number, since it is larger than the sum of its proper divisors (1).

10099995815797 is an equidigital number, since it uses as much as digits as its factorization.

10099995815797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 578680200, while the sum is 79.

The spelling of 10099995815797 in words is "ten trillion, ninety-nine billion, nine hundred ninety-five million, eight hundred fifteen thousand, seven hundred ninety-seven".