65199869952 has 104 divisors (see below), whose sum is σ = 198680371776. Its totient is φ = 18628509696.

The previous prime is 65199869951. The next prime is 65199869963. The reversal of 65199869952 is 25996899156.

It is not an unprimeable number, because it can be changed into a prime (65199869951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292983 + ... + 465014.

Almost surely, 2^65199869952 is an apocalyptic number.

It is an amenable number.

65199869952 is an abundant number, since it is smaller than the sum of its proper divisors (133480501824).

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

65199869952 is an equidigital number, since it uses as much as digits as its factorization.

65199869952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758031 (or 758009 counting only the distinct ones).

The product of its digits is 94478400, while the sum is 69.

The spelling of 65199869952 in words is "sixty-five billion, one hundred ninety-nine million, eight hundred sixty-nine thousand, nine hundred fifty-two".