63481697019 has 12 divisors (see below), whose sum is σ = 98749306656. Its totient is φ = 39065659632.

The previous prime is 63481697003. The next prime is 63481697023. The reversal of 63481697019 is 91079618436.

63481697019 is a `hidden beast` number, since 63 + 481 + 6 + 97 + 0 + 19 = 666.

It is not a de Polignac number, because 63481697019 - 2⁴ = 63481697003 is a prime.

It is a super-2 number, since 2×63481697019² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (63481697029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271289187 + ... + 271289420.

It is an arithmetic number, because the mean of its divisors is an integer number (8229108888).

Almost surely, 2^63481697019 is an apocalyptic number.

63481697019 is a deficient number, since it is larger than the sum of its proper divisors (35267609637).

63481697019 is a wasteful number, since it uses less digits than its factorization.

63481697019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542578626 (or 542578623 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 63481697019 in words is "sixty-three billion, four hundred eighty-one million, six hundred ninety-seven thousand, nineteen".