63379919 has 2 divisors, whose sum is σ = 63379920. Its totient is φ = 63379918.

The previous prime is 63379907. The next prime is 63379931. The reversal of 63379919 is 91997336.

It is a balanced prime because it is at equal distance from previous prime (63379907) and next prime (63379931).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63379919 is a prime.

It is a super-2 number, since 2×63379919² = 8034028264893122, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63379999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31689959 + 31689960.

It is an arithmetic number, because the mean of its divisors is an integer number (31689960).

Almost surely, 2^63379919 is an apocalyptic number.

63379919 is a deficient number, since it is larger than the sum of its proper divisors (1).

63379919 is an equidigital number, since it uses as much as digits as its factorization.

63379919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 275562, while the sum is 47.

The square root of 63379919 is about 7961.1506077953. The cubic root of 63379919 is about 398.7039698835.

The spelling of 63379919 in words is "sixty-three million, three hundred seventy-nine thousand, nine hundred nineteen".