1820087925463 has 2 divisors, whose sum is σ = 1820087925464. Its totient is φ = 1820087925462.

The previous prime is 1820087925437. The next prime is 1820087925499. The reversal of 1820087925463 is 3645297800281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1820087925463 - 2²¹ = 1820085828311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1820087925433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910043962731 + 910043962732.

It is an arithmetic number, because the mean of its divisors is an integer number (910043962732).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1820087925463 = 3640175850926, but 3⋅1820087925463 = 5460263776389 is not.

Almost surely, 2^{1820087925463} is an apocalyptic number.

1820087925463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1820087925463 is an equidigital number, since it uses as much as digits as its factorization.

1820087925463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 1820087925463 in words is "one trillion, eight hundred twenty billion, eighty-seven million, nine hundred twenty-five thousand, four hundred sixty-three".