65634213052 has 24 divisors (see below), whose sum is σ = 116365470480. Its totient is φ = 32388301440.

The previous prime is 65634213041. The next prime is 65634213061. The reversal of 65634213052 is 25031243656.

65634213052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22203 + ... + 362989.

It is an arithmetic number, because the mean of its divisors is an integer number (4848561270).

Almost surely, 2^65634213052 is an apocalyptic number.

It is an amenable number.

65634213052 is a deficient number, since it is larger than the sum of its proper divisors (50731257428).

65634213052 is a wasteful number, since it uses less digits than its factorization.

65634213052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341421 (or 341419 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 65634213052 in words is "sixty-five billion, six hundred thirty-four million, two hundred thirteen thousand, fifty-two".