63852459508 has 12 divisors (see below), whose sum is σ = 111744620932. Its totient is φ = 31925424960.

The previous prime is 63852459443. The next prime is 63852459509. The reversal of 63852459508 is 80595425836.

It can be written as a sum of positive squares in 2 ways, for example, as 4405242384 + 59447217124 = 66372^2 + 243818^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63852459509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423 + ... + 357358.

Almost surely, 2^63852459508 is an apocalyptic number.

It is an amenable number.

63852459508 is a deficient number, since it is larger than the sum of its proper divisors (47892161424).

63852459508 is a wasteful number, since it uses less digits than its factorization.

63852459508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402402 (or 402400 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 63852459508 in words is "sixty-three billion, eight hundred fifty-two million, four hundred fifty-nine thousand, five hundred eight".