10245421236539 has 2 divisors, whose sum is σ = 10245421236540. Its totient is φ = 10245421236538.

The previous prime is 10245421236517. The next prime is 10245421236569. The reversal of 10245421236539 is 93563212454201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10245421236539 - 2¹² = 10245421232443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10245421236493 and 10245421236502.

It is not a weakly prime, because it can be changed into another prime (10245421236569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5122710618269 + 5122710618270.

It is an arithmetic number, because the mean of its divisors is an integer number (5122710618270).

Almost surely, 2^{10245421236539} is an apocalyptic number.

10245421236539 is a deficient number, since it is larger than the sum of its proper divisors (1).

10245421236539 is an equidigital number, since it uses as much as digits as its factorization.

10245421236539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 10245421236539 in words is "ten trillion, two hundred forty-five billion, four hundred twenty-one million, two hundred thirty-six thousand, five hundred thirty-nine".