65345474032 has 20 divisors (see below), whose sum is σ = 130972610520. Its totient is φ = 31546090688.

The previous prime is 65345474023. The next prime is 65345474039. The reversal of 65345474032 is 23047454356.

It is a self number, because there is not a number n which added to its sum of digits gives 65345474032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65345474039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70414918 + ... + 70415845.

It is an arithmetic number, because the mean of its divisors is an integer number (6548630526).

Almost surely, 2^65345474032 is an apocalyptic number.

It is an amenable number.

65345474032 is an abundant number, since it is smaller than the sum of its proper divisors (65627136488).

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

65345474032 is a wasteful number, since it uses less digits than its factorization.

65345474032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140830800 (or 140830794 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 65345474032 in words is "sixty-five billion, three hundred forty-five million, four hundred seventy-four thousand, thirty-two".