63390654019 has 16 divisors (see below), whose sum is σ = 79562937600. Its totient is φ = 49063793760.

The previous prime is 63390654011. The next prime is 63390654049. The reversal of 63390654019 is 91045609336.

It is a cyclic number.

It is not a de Polignac number, because 63390654019 - 2³ = 63390654011 is a prime.

It is a super-2 number, since 2×63390654019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63390654019.

It is not an unprimeable number, because it can be changed into a prime (63390654011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2751129 + ... + 2774074.

It is an arithmetic number, because the mean of its divisors is an integer number (4972683600).

Almost surely, 2^63390654019 is an apocalyptic number.

63390654019 is a deficient number, since it is larger than the sum of its proper divisors (16172283581).

63390654019 is a wasteful number, since it uses less digits than its factorization.

63390654019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525370.

The product of its (nonzero) digits is 524880, while the sum is 46.

It can be divided in two parts, 63390 and 654019, that added together give a square (717409 = 847²).

The spelling of 63390654019 in words is "sixty-three billion, three hundred ninety million, six hundred fifty-four thousand, nineteen".