1822872463 has 2 divisors, whose sum is σ = 1822872464. Its totient is φ = 1822872462.

The previous prime is 1822872461. The next prime is 1822872479. The reversal of 1822872463 is 3642782281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1822872463 - 2¹ = 1822872461 is a prime.

Together with 1822872461, 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 (1822872461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 911436231 + 911436232.

It is an arithmetic number, because the mean of its divisors is an integer number (911436232).

Almost surely, 2^1822872463 is an apocalyptic number.

1822872463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1822872463 is an equidigital number, since it uses as much as digits as its factorization.

1822872463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 43.

The square root of 1822872463 is about 42695.1105280218. The cubic root of 1822872463 is about 1221.5711333330.

The spelling of 1822872463 in words is "one billion, eight hundred twenty-two million, eight hundred seventy-two thousand, four hundred sixty-three".