42463219 has 2 divisors, whose sum is σ = 42463220. Its totient is φ = 42463218.

The previous prime is 42463207. The next prime is 42463237. The reversal of 42463219 is 91236424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42463219 is a prime.

It is a super-2 number, since 2×42463219² = 3606249935683922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42460219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21231609 + 21231610.

It is an arithmetic number, because the mean of its divisors is an integer number (21231610).

Almost surely, 2^42463219 is an apocalyptic number.

42463219 is a deficient number, since it is larger than the sum of its proper divisors (1).

42463219 is an equidigital number, since it uses as much as digits as its factorization.

42463219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 42463219 is about 6516.3808206703. The cubic root of 42463219 is about 348.8759010669.

The spelling of 42463219 in words is "forty-two million, four hundred sixty-three thousand, two hundred nineteen".