63952019 has 2 divisors, whose sum is σ = 63952020. Its totient is φ = 63952018.

The previous prime is 63952013. The next prime is 63952027. The reversal of 63952019 is 91025936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63952019 - 2⁸ = 63951763 is a prime.

It is a super-2 number, since 2×63952019² = 8179721468352722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63952019.

It is not a weakly prime, because it can be changed into another prime (63952013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31976009 + 31976010.

It is an arithmetic number, because the mean of its divisors is an integer number (31976010).

Almost surely, 2^63952019 is an apocalyptic number.

63952019 is a deficient number, since it is larger than the sum of its proper divisors (1).

63952019 is an equidigital number, since it uses as much as digits as its factorization.

63952019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 63952019 is about 7997.0006252344. Note that the first 3 decimals coincide. The cubic root of 63952019 is about 399.9000145927.

The spelling of 63952019 in words is "sixty-three million, nine hundred fifty-two thousand, nineteen".