10420959320791 has 2 divisors, whose sum is σ = 10420959320792. Its totient is φ = 10420959320790.

The previous prime is 10420959320789. The next prime is 10420959320861. The reversal of 10420959320791 is 19702395902401.

10420959320791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10420959320791 - 2¹ = 10420959320789 is a prime.

Together with 10420959320789, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10420959320701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210479660395 + 5210479660396.

It is an arithmetic number, because the mean of its divisors is an integer number (5210479660396).

Almost surely, 2^{10420959320791} is an apocalyptic number.

10420959320791 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420959320791 is an equidigital number, since it uses as much as digits as its factorization.

10420959320791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 10420959320791 in words is "ten trillion, four hundred twenty billion, nine hundred fifty-nine million, three hundred twenty thousand, seven hundred ninety-one".