438798463 has 2 divisors, whose sum is σ = 438798464. Its totient is φ = 438798462.

The previous prime is 438798461. The next prime is 438798539. The reversal of 438798463 is 364897834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 438798463 - 2¹ = 438798461 is a prime.

It is a super-2 number, since 2×438798463² = 385088182262324738, which contains 22 as substring.

Together with 438798461, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 438798463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438798461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219399231 + 219399232.

It is an arithmetic number, because the mean of its divisors is an integer number (219399232).

Almost surely, 2^438798463 is an apocalyptic number.

438798463 is a deficient number, since it is larger than the sum of its proper divisors (1).

438798463 is an equidigital number, since it uses as much as digits as its factorization.

438798463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 52.

The square root of 438798463 is about 20947.5168695480. The cubic root of 438798463 is about 759.8975294671.

The spelling of 438798463 in words is "four hundred thirty-eight million, seven hundred ninety-eight thousand, four hundred sixty-three".