65263750650 has 96 divisors (see below), whose sum is σ = 205529047680. Its totient is φ = 14917426560.

The previous prime is 65263750639. The next prime is 65263750697. The reversal of 65263750650 is 5605736256.

65263750650 is a `hidden beast` number, since 6 + 5 + 2 + 637 + 5 + 0 + 6 + 5 + 0 = 666.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65263750596 and 65263750605.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3443659 + ... + 3462558.

It is an arithmetic number, because the mean of its divisors is an integer number (2140927580).

Almost surely, 2^65263750650 is an apocalyptic number.

65263750650 is an abundant number, since it is smaller than the sum of its proper divisors (140265297030).

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

65263750650 is a wasteful number, since it uses less digits than its factorization.

65263750650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906245 (or 6906234 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 65263750650 in words is "sixty-five billion, two hundred sixty-three million, seven hundred fifty thousand, six hundred fifty".