16425010266493 has 2 divisors, whose sum is σ = 16425010266494. Its totient is φ = 16425010266492.

The previous prime is 16425010266491. The next prime is 16425010266557. The reversal of 16425010266493 is 39466201052461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12867874701124 + 3557135565369 = 3587182^2 + 1886037^2 .

It is a cyclic number.

It is not a de Polignac number, because 16425010266493 - 2¹ = 16425010266491 is a prime.

Together with 16425010266491, 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 (16425010266491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212505133246 + 8212505133247.

It is an arithmetic number, because the mean of its divisors is an integer number (8212505133247).

Almost surely, 2^{16425010266493} is an apocalyptic number.

It is an amenable number.

16425010266493 is a deficient number, since it is larger than the sum of its proper divisors (1).

16425010266493 is an equidigital number, since it uses as much as digits as its factorization.

16425010266493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 16425010266493 in words is "sixteen trillion, four hundred twenty-five billion, ten million, two hundred sixty-six thousand, four hundred ninety-three".