65487414250 has 16 divisors (see below), whose sum is σ = 122592439944. Its totient is φ = 26194965600.

The previous prime is 65487414221. The next prime is 65487414257. The reversal of 65487414250 is 5241478456.

It can be written as a sum of positive squares in 4 ways, for example, as 16612374321 + 48875039929 = 128889^2 + 221077^2 .

It is a super-2 number, since 2×65487414250² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65487414250.

It is not an unprimeable number, because it can be changed into a prime (65487414257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130974579 + ... + 130975078.

Almost surely, 2^65487414250 is an apocalyptic number.

65487414250 is a deficient number, since it is larger than the sum of its proper divisors (57105025694).

65487414250 is a wasteful number, since it uses less digits than its factorization.

65487414250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261949674 (or 261949664 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 46.

It can be divided in two parts, 654874 and 14250, that added together give a square (669124 = 818²).

The spelling of 65487414250 in words is "sixty-five billion, four hundred eighty-seven million, four hundred fourteen thousand, two hundred fifty".