65497004050 has 24 divisors (see below), whose sum is σ = 121975089300. Its totient is φ = 26166401280.

The previous prime is 65497004039. The next prime is 65497004071. The reversal of 65497004050 is 5040079456.

It can be written as a sum of positive squares in 6 ways, for example, as 57959118009 + 7537886041 = 240747^2 + 86821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65497003994 and 65497004012.

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, 769155 + ... + 850054.

Almost surely, 2^65497004050 is an apocalyptic number.

65497004050 is a deficient number, since it is larger than the sum of its proper divisors (56478085250).

65497004050 is a wasteful number, since it uses less digits than its factorization.

65497004050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620030 (or 1620025 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 65497004050 in words is "sixty-five billion, four hundred ninety-seven million, four thousand, fifty".