63472065919 has 2 divisors, whose sum is σ = 63472065920. Its totient is φ = 63472065918.

The previous prime is 63472065901. The next prime is 63472065949. The reversal of 63472065919 is 91956027436.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63472065919 - 2¹⁷ = 63471934847 is a prime.

It is a super-2 number, since 2×63472065919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63472065949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31736032959 + 31736032960.

It is an arithmetic number, because the mean of its divisors is an integer number (31736032960).

Almost surely, 2^63472065919 is an apocalyptic number.

63472065919 is a deficient number, since it is larger than the sum of its proper divisors (1).

63472065919 is an equidigital number, since it uses as much as digits as its factorization.

63472065919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 63472065919 in words is "sixty-three billion, four hundred seventy-two million, sixty-five thousand, nine hundred nineteen".