65471935952 has 10 divisors (see below), whose sum is σ = 126851875938. Its totient is φ = 32735967968.

The previous prime is 65471935939. The next prime is 65471935979. The reversal of 65471935952 is 25953917456.

It can be written as a sum of positive squares in only one way, i.e., 45811409296 + 19660526656 = 214036^2 + 140216^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045997983 + ... + 2045998014.

Almost surely, 2^65471935952 is an apocalyptic number.

It is an amenable number.

65471935952 is a deficient number, since it is larger than the sum of its proper divisors (61379939986).

65471935952 is a wasteful number, since it uses less digits than its factorization.

65471935952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091996005 (or 4091995999 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 56.

The spelling of 65471935952 in words is "sixty-five billion, four hundred seventy-one million, nine hundred thirty-five thousand, nine hundred fifty-two".