10394007557 has 2 divisors, whose sum is σ = 10394007558. Its totient is φ = 10394007556.

The previous prime is 10394007517. The next prime is 10394007563. The reversal of 10394007557 is 75570049301.

10394007557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10394006401 + 1156 = 101951^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 10394007557 - 2⁶ = 10394007493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10394007517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5197003778 + 5197003779.

It is an arithmetic number, because the mean of its divisors is an integer number (5197003779).

Almost surely, 2^10394007557 is an apocalyptic number.

It is an amenable number.

10394007557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10394007557 is an equidigital number, since it uses as much as digits as its factorization.

10394007557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The spelling of 10394007557 in words is "ten billion, three hundred ninety-four million, seven thousand, five hundred fifty-seven".