65253763530 has 24 divisors (see below), whose sum is σ = 169659785412. Its totient is φ = 17401003584.

The previous prime is 65253763517. The next prime is 65253763541. The reversal of 65253763530 is 3536735256.

65253763530 is a `hidden beast` number, since 6 + 5 + 2 + 5 + 3 + 7 + 635 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62265719961 + 2988043569 = 249531^2 + 54663^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362520819 + ... + 362520998.

Almost surely, 2^65253763530 is an apocalyptic number.

65253763530 is an abundant number, since it is smaller than the sum of its proper divisors (104406021882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65253763530 is a wasteful number, since it uses less digits than its factorization.

65253763530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725041830 (or 725041827 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 45.

The spelling of 65253763530 in words is "sixty-five billion, two hundred fifty-three million, seven hundred sixty-three thousand, five hundred thirty".