63940054519 has 8 divisors (see below), whose sum is σ = 71068877712. Its totient is φ = 57030579840.

The previous prime is 63940054501. The next prime is 63940054537. The reversal of 63940054519 is 91545004936.

It is an interprime number because it is at equal distance from previous prime (63940054501) and next prime (63940054537).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63940054519 - 2¹¹ = 63940052471 is a prime.

It is a super-2 number, since 2×63940054519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63940051519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54836514 + ... + 54837679.

It is an arithmetic number, because the mean of its divisors is an integer number (8883609714).

Almost surely, 2^63940054519 is an apocalyptic number.

63940054519 is a deficient number, since it is larger than the sum of its proper divisors (7128823193).

63940054519 is a wasteful number, since it uses less digits than its factorization.

63940054519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109674257.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 63940054519 in words is "sixty-three billion, nine hundred forty million, fifty-four thousand, five hundred nineteen".