63683013619 has 2 divisors, whose sum is σ = 63683013620. Its totient is φ = 63683013618.

The previous prime is 63683013601. The next prime is 63683013649. The reversal of 63683013619 is 91631038636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63683013619 - 2¹³ = 63683005427 is a prime.

It is a super-2 number, since 2×63683013619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63683013649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31841506809 + 31841506810.

It is an arithmetic number, because the mean of its divisors is an integer number (31841506810).

Almost surely, 2^63683013619 is an apocalyptic number.

63683013619 is a deficient number, since it is larger than the sum of its proper divisors (1).

63683013619 is an equidigital number, since it uses as much as digits as its factorization.

63683013619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 63683013619 in words is "sixty-three billion, six hundred eighty-three million, thirteen thousand, six hundred nineteen".