63500495537 has 4 divisors (see below), whose sum is σ = 63506033136. Its totient is φ = 63494957940.

The previous prime is 63500495519. The next prime is 63500495543. The reversal of 63500495537 is 73559400536.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63500495537 - 2¹⁶ = 63500430001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63500495491 and 63500495500.

It is not an unprimeable number, because it can be changed into a prime (63500494537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751563 + ... + 2774544.

It is an arithmetic number, because the mean of its divisors is an integer number (15876508284).

Almost surely, 2^63500495537 is an apocalyptic number.

It is an amenable number.

63500495537 is a deficient number, since it is larger than the sum of its proper divisors (5537599).

63500495537 is a wasteful number, since it uses less digits than its factorization.

63500495537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537598.

The product of its (nonzero) digits is 1701000, while the sum is 47.

The spelling of 63500495537 in words is "sixty-three billion, five hundred million, four hundred ninety-five thousand, five hundred thirty-seven".