10009999738957 has 2 divisors, whose sum is σ = 10009999738958. Its totient is φ = 10009999738956.

The previous prime is 10009999738933. The next prime is 10009999738987. The reversal of 10009999738957 is 75983799990001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9028937222761 + 981062516196 = 3004819^2 + 990486^2 .

It is a cyclic number.

It is not a de Polignac number, because 10009999738957 - 2⁴³ = 1213906716749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10009999738987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5004999869478 + 5004999869479.

It is an arithmetic number, because the mean of its divisors is an integer number (5004999869479).

Almost surely, 2^{10009999738957} is an apocalyptic number.

It is an amenable number.

10009999738957 is a deficient number, since it is larger than the sum of its proper divisors (1).

10009999738957 is an equidigital number, since it uses as much as digits as its factorization.

10009999738957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 347208120, while the sum is 76.

The spelling of 10009999738957 in words is "ten trillion, nine billion, nine hundred ninety-nine million, seven hundred thirty-eight thousand, nine hundred fifty-seven".